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10. Hold the new optical drive and pivot the drive bay assembly upward. Align the screw holes in the new

optical drive with the corresponding holes in the drive bay. Then, install the two screws to secure
the new optical drive in place.

Figure 37. Installing the optical drive

11. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available

SATA connector on the system board. See “Locating parts on the system board” on page 34. Then,
locate an available four-wire power connector and connect it to the rear of the new optical drive.

Figure 38. Connecting a SATA optical drive

What to do next:

• To work with another piece of hardware, go to the appropriate section.

• To complete the installation or replacement, go to “Completing the parts replacement” on page 151.

Replacing the slim card reader

Attention:

Do not open your computer or attempt any repair before reading and understanding the Chapter

1 “Read this first: Important safety information” on page 1.

Note:

The slim card reader is only available on some models.

To replace the slim card reader, do the following:

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Summary of Contents for ThinkCentre M79

Page 1: ...ThinkCentre M79 Hardware Maintenance Manual Machine Types 10CT 10CU 10CV and 10CW ...

Page 2: ...t safety information on page 1 and Appendix F Notices on page 171 First Edition July 2014 Copyright Lenovo 2014 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...om Control Panel 48 Using a disc 48 Using the optical drive 48 Handling and storing a disc 49 Playing and removing a disc 49 Recording a disc 49 Navigating among screens on the Windows 8 1 operating system 50 Accessing Control Panel on the Windows 8 1 operating system 51 Frequently asked questions 51 Chapter 4 You and your computer 53 Accessibility and comfort 53 Arranging your workspace 53 Comfor...

Page 4: ...d using recovery media 97 Performing backup and recovery operations 98 Creating and using a rescue medium 100 Reinstalling programs and device drivers 100 Solving recovery problems 102 Recovery information for the Windows 8 1 operating system 102 Refreshing your computer 102 Resetting your computer to the factory default settings 102 Using the advanced startup options 103 Recovering your operating...

Page 5: ...ce mark 159 Brazil regulatory notice 159 Mexico regulatory notice 159 Additional regulatory information 159 Appendix B WEEE and recycling information 161 Important WEEE information 161 Recycling information for Japan 161 Recycling information for Brazil 162 Battery recycling information for Taiwan 162 Battery recycling information for the European Union 162 Appendix C Restriction of Hazardous Subs...

Page 6: ...iv ThinkCentre M79 Hardware Maintenance Manual ...

Page 7: ...oubleshoot problems Important This manual is intended only for trained service technicians who are familiar with ThinkCentre computers Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkCentre computer be sure to read and understand Chapter 1 Read this first Important safety information on page 1 Copyright Lenovo 2014 v ...

Page 8: ...vi ThinkCentre M79 Hardware Maintenance Manual ...

Page 9: ... in overheating Ensure that all power cord connectors are securely and completely plugged into receptacles Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating such as deformed plastic at the ac input or anywhere on the power adapter Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where...

Page 10: ...when working on electrical equipment Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself f...

Page 11: ...Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products Each machine as it was designed and bui...

Page 12: ...xceed the requirements noted here 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts Keep the parts in protective packages until they are inserted into the product Avoid contact with other people while handling the part Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part f...

Page 13: ...oduct When possible use one hand only to connect or disconnect signal cables Never turn on any equipment when there is evidence of fire water or structural damage Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures Connect and disconnect cables as described ...

Page 14: ...the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser r...

Page 15: ...cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 Chapter 1 Read this first Important safety information 7 ...

Page 16: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 8 ThinkCentre M79 Hardware Maintenance Manual ...

Page 17: ...iferente nos procedimentos de instalação e configuração Conecte e desconecte os cabos conforme descrito na tabela apresentada a seguir ao instalar mover ou abrir tampas deste produto ou de dispositivos conectados Para Conectar Para Desconectar 1 DESLIGUE Tudo 2 Primeiramente conecte todos os cabos aos dispositivos 3 Conecte os cabos de sinal aos conectores 4 Conecte os cabos de alimentação às toma...

Page 18: ...sultar em exposição prejudicial à radiação PERIGO Alguns produtos a laser contêm diodo de laser integrado da Classe 3A ou da Classe 3B Observe o seguinte Radiação a laser quando aberto Não olhe diretamente para o feixe a olho nu ou com instrumentos ópticos e evite exposição direta ao feixe 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb CUIDADO Utilize procedimentos de segurança para levantar equipamento...

Page 19: ...1 2 Chapter 1 Read this first Important safety information 11 ...

Page 20: ...1 2 12 ThinkCentre M79 Hardware Maintenance Manual ...

Page 21: ...Chapter 1 Read this first Important safety information 13 ...

Page 22: ...isez qu une seule main pour connecter ou déconnecter les câbles d interface Ne mettez jamais un équipement sous tension en cas d incendie ou d inondation ou en présence de dommages matériels Avant de retirer les carters de l unité mettez celle ci hors tension et déconnectez ses cordons d alimentation ainsi que les câbles qui la relient aux réseaux aux systèmes de télécommunication et aux modems sa...

Page 23: ...Ne pas la jeter à l eau l exposer à des températures supérieures à 100 C chercher à la réparer ou à la démonter Ne pas mettre la pile à la poubelle Pour la mise au rebut se reporter à la réglementation en vigueur ATTENTION Si des produits à laser tels que des unités de CD ROM de DVD ROM des unités à fibres optiques ou des émetteurs sont installés prenez connaissance des informations suivantes Ne r...

Page 24: ...anliegen Aus Sicherheitsgründen Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen Ferner keine Installations Wartungs oder Rekonfigurationsarbeiten durchführen Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem Schutzkontakt anschließen Alle angeschlossenen Geräte ebenfalls an Schutzkontaktsteckdosen mit ordnungsgemäß geerdetem Schutzkontakt anschließen Die Signalka...

Page 25: ...nur durch eine Batterie mit der Teilenummer 45C1566 oder eine gleichwertige vom Hersteller empfohlene Batterie ersetzen Enthält das System ein Modul mit einer Lithiumbatterie dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung Handhabung oder Entsorgung explodieren Die Batterie nicht mit Wasser in Berühr...

Page 26: ...en der Maschine beachten ACHTUNG Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung für die Einheit nicht unterbrochen Die Einheit kann auch mit mehreren Netzkabeln ausgestattet sein Um die Stromversorgung für die Einheit vollständig zu unterbrechen müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden 1 2 18 ThinkCentre M79 Hardware Maintenance Manual ...

Page 27: ...Chapter 1 Read this first Important safety information 19 ...

Page 28: ...e il rischio di scosse elettriche Non collegare o scollegare qualsiasi cavo oppure effettuare l installazione la manutenzione o la riconfigurazione del prodotto durante un temporale Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra 20 ThinkCentre M79 Hardware Maintenance Manual ...

Page 29: ...ere tutti i cavi dalle unità ATTENZIONE Quando si sostituisce la batteria al litio utilizzare solo il Numero parte 45C1566 o un tipo di batteria equivalente consigliato dal produttore Se sul sistema è presente un modulo che contiene una batteria al litio sostituirlo solo con un tipo di modulo dello stesso tipo della stessa casa di produzione La batteria contiene litio e può esplodere se usata mane...

Page 30: ... ATTENZIONE Prestare attenzione nel sollevare l apparecchiatura ATTENZIONE Il pulsante di controllo dell alimentazione presente sull unità e l interruttore dell alimentatore non disattivano l alimentazione corrente fornita all unità E possibile che l unità disponga di più cavi di alimentazione Per disattivare l alimentazione dall unità accertarsi che tutti i cavi di alimentazione siano scollegati ...

Page 31: ...Chapter 1 Read this first Important safety information 23 ...

Page 32: ...e producto durante una tormenta eléctrica Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y conectadas a tierra Cualquier equipo que se conecte a este producto también debe conectarse a tomas de corriente debidamente cableadas Siempre que sea posible utilice una sola mano para conectar o desconectar los cables de señal No encienda nunca un equipo cuando hay seña...

Page 33: ...a de litio utilice solamente una batería número de pieza 45C1566 u otra de tipo equivalente recomendada por el fabricante Si su sistema dispone de un módulo que contiene una batería de litio reemplácelo sólo con el mismo tipo de módulo del mismo fabricante La batería contiene litio y puede explotar si no se utiliza manipula o desecha correctamente No debe Arrojarla al agua o sumergirla en ella Exp...

Page 34: ...pte procedimientos seguros al levantar el equipo PRECAUCIÓN El botón de control de alimentación del dispositivo y el interruptor de alimentación de la fuente de alimentación no desconectan la corriente eléctrica suministrada al dispositivo Además el dispositivo podría tener más de un cable de alimentación Para suprimir toda la corriente eléctrica del dispositivo asegúrese de que todos los cables d...

Page 35: ...section provides the following topics Locating connectors controls and indicators on the front of your computer on page 28 Locating connectors on the rear of your computer on page 29 Locating components on page 31 Locating parts on the system board on page 34 Locating internal drives on page 35 Locating the machine type and model label on page 36 Note The components in your computer might look sli...

Page 36: ...rs on the front of your computer 1 2 Figure 1 Front connector control and indicator locations 1 Optical drive eject close button 2 Power button 3 Power indicator 4 Hard disk drive activity indicator 5 USB 2 0 connector USB connector 2 6 Microphone connector 7 Headphone connector 8 USB 2 0 connector USB connector 1 28 ThinkCentre M79 Hardware Maintenance Manual ...

Page 37: ...ome models 4 DisplayPort connector 5 VGA connector 6 USB 3 0 connectors 2 7 USB 2 0 connectors 2 8 Microphone connector 9 Audio line out connector 10 Audio line in connector 11 PCI PCI Express card area different cards provide different connectors 12 Ethernet connector 13 Security lock slot 14 Serial connector 15 Padlock loop Note A discrete graphics card a network interface card or an audio card ...

Page 38: ...egory 5 5e or 6 Ethernet cable Microphone connector Used to attach a microphone to your computer when you want to record sound or if you use speech recognition software PS 2 keyboard connector available on some models Used to attach a keyboard that uses a Personal System 2 PS 2 keyboard connector PS 2 mouse connector available on some models Used to attach a mouse a trackball or other pointing dev...

Page 39: ...y assembly 3 Memory modules 4 Optical drive 5 Front audio and USB assembly 6 Front bezel 7 Slim card reader 8 Front fan system fan assembly 9 Hard disk drive or solid state drive 10 PCI Express card 11 Heat sink fan duct Locating major FRUs and CRUs Figure 4 Component locations on page 32 shows the locations of the various components in your computer To remove the computer cover see Removing the c...

Page 40: ...Figure 4 Component locations 32 ThinkCentre M79 Hardware Maintenance Manual ...

Page 41: ...wo screws Once the access panel is removed the specific CRU is visible Number FRU description Self service CRU Optional service CRU 1 Power supply assembly No Yes 2 Microprocessor No Yes 3 Memory module Yes No 4 Optical drive available on some models Yes No 5 Front Wi Fi antenna available on some models No Yes 6 Front bezel Yes No 7 Front audio and USB assembly No Yes 8 Slim card reader available ...

Page 42: ...n connector 12 Parallel connector 13 SATA 3 0 connectors 2 14 SATA 3 0 connector 15 Front panel connector for connecting LED indicators and power button 16 Front USB 2 0 connector 1 for connecting USB connectors 1 and 2 on the front bezel 17 Front USB 2 0 connector 2 for connecting an additional USB device 18 Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper 19 Serial connector 20...

Page 43: ...iate section in Installing or replacing hardware on page 105 for instructions on how to install or replace internal drives for your computer The following illustration shows the locations of the drive bays Figure 6 Drive bay locations 1 Secondary solid state drive bay with a 2 5 inch solid state drive or a hybrid hard disk drive installed on some models 2 Optical drive bay with an optical drive in...

Page 44: ...f your computer do the following On the Microsoft Windows 7 operation system click Start right click Computer and select Properties to view the information On the Microsoft Windows 8 1 operating system go to the desktop and move your pointer to the top right or bottom right corner of the screen to display the charms Then click Settings PC info to view the information Memory Your computer supports ...

Page 45: ...by graphics card Audio features Integrated audio controller supports the following connectors and devices on your computer Audio line in connector Audio line out connector Headphone connector Internal speaker available on some models Microphone connectors Discrete audio card installed in one of the PCI card slots available on some models the connectors vary by audio card Input Output I O features ...

Page 46: ...ing Engine ICE The Intelligent Cooling Engine is a system thermal management solution that enables your computer to run with better thermal and acoustic performance The ICE function also monitors the thermal performance of your computer to identify thermal problems For more information see ICE performance mode on page 67 and ICE thermal alert on page 67 Preboot Execution Environment PXE Preboot Ex...

Page 47: ...re information see Chapter 5 Security on page 59 Preinstalled operating system Your computer is preinstalled with one of the following operating systems Microsoft Windows 7 operating system Microsoft Windows 8 1 operating system Operating system s certified or tested for compatibility varies by model type The operating system s listed here are being certified or tested for compatibility at the tim...

Page 48: ... 50 ft to 10 668 m 35 000 ft Electrical input Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency 50 60 Hz High range Minimum 200 V ac Maximum 240 V ac Input frequency 50 60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely Depending on the Windows operating system preinstalled the programs might vary Accessing Lenovo progra...

Page 49: ...y Lenovo Web Conferencing Fingerprint Manager Pro or ThinkVantage Fingerprint Software Lenovo Fingerprint Manager Pro or Lenovo Fingerprint Reader Lenovo Bluetooth Lock Lenovo Bluetooth Lock Lenovo Reach Lenovo Reach Lenovo SHAREit Lenovo SHAREit Lenovo Solution Center Lenovo System Health and Diagnostics Lenovo ThinkVantage Tools Lenovo Thinkvantage Tools Password Manager Lenovo Password Vault PC...

Page 50: ...eader keyboard is available with select computers or can be purchased for computers that support this option Lenovo Bluetooth Lock Windows 7 and Windows 8 1 The Lenovo Bluetooth Lock program enables you to use a Bluetooth device such as your smartphone as a proximity based unit for locking or unlocking your computer automatically By detecting the distance between your computer and the predefined B...

Page 51: ...securely Password Manager Windows 7 and Windows 8 1 The Password Manager program automatically captures and fills in authentication information for Windows programs and Web sites PC Cloud Manager Windows 7 and Windows 8 1 The PC Cloud Manager PCM program is a browser based solution for client computer management The PCM program has two components PCM Server and PCM Client PCM Server is installed o...

Page 52: ... to work across multiple monitors to improve your productivity Wifi Display Receiver Windows 7 and Windows 8 1 The Wifi Display Receiver program enables you to view and control the display of a Miracast source device such as your smartphone and tablet on the computer with no need to use cables or a network connection To achieve this your computer must be equipped with a Realtek Wi Fi card and has ...

Page 53: ...ur computer connected to the Internet For Windows 7 The preinstalled Lenovo Product Registration program launches automatically after you have used your computer for a time Follow the instructions on the screen to register your computer For Windows 8 1 Open the Lenovo Support program Then click Registration and follow the instructions on the screen to register your computer Note For detailed infor...

Page 54: ...inkVantage Fingerprint Software Using the wheel mouse The wheel mouse has the following controls 1 Primary mouse button Use this button to select or start a program or menu item 2 Wheel Use the wheel to control the scrolling action of the mouse The direction in which you rotate the wheel controls the direction of the scrolling action 3 Secondary mouse button Use this button to display a menu for t...

Page 55: ...In the Shutdown setting section clear Turn on fast startup Note If the settings are unavailable click Change settings that are currently unavailable 5 Click Save changes Setting the computer volume An audio controller is built into the computer system board to support the audio connectors on your computer See Audio features on page 37 Your computer might also have a high performance audio card The...

Page 56: ... 8 1 operating system on page 51 2 In the Sound section click Adjust system volume 3 Move the slider up to increase or down to decrease the volume Using a disc This section provides information about the following topics Using the optical drive on page 48 Handling and storing a disc on page 49 Playing and removing a disc on page 49 Recording a disc on page 49 Using the optical drive Depending on t...

Page 57: ...er program starts automatically For more information refer to the help system of the disc player program To remove a disc from the optical drive do the following 1 With the computer on press the eject close button on the front of the optical drive The tray slides out of the drive 2 Carefully remove the disc from the tray 3 Press the eject close button again or gently push the tray forward to close...

Page 58: ...inting device From the desktop click the Windows screen control icon in the bottom left corner of the screen From any other workspace move the pointer to the extreme bottom left corner of the screen until the Windows screen control icon is displayed then click the icon Using a touch screen Do one of the following From the desktop tap the Windows screen control icon in the bottom left corner of the...

Page 59: ...tem open the Help Tips application from the Start screen or Apps screen Alternatively refer to the Windows Help and Support information system For more information see Help and Support on page 153 Accessing Control Panel on the Windows 8 1 operating system On the Windows operating system you can view and change computer settings through Control Panel To access Control Panel on the Windows 8 1 oper...

Page 60: ...7 operating system click Start Help and Support On the Windows 8 1 operating system move your pointer to the top right or bottom right corner of the screen to display the charms Then click Settings Help Additionally the Windows 8 1 operating system provides a Help Tips application that you can open from the Start screen or Apps screen How can I change the Windows 8 1 startup behavior to open eithe...

Page 61: ...you arrange your workspace Comfort Although no single working position is ideal for everyone here are a few guidelines to help you find a position that suits you best Sitting in the same position for a long time can cause fatigue The backrest and seat of your chair should adjust independently and provide good support The seat should have a curved front to relieve pressure on the thighs Adjust the ...

Page 62: ...air vents usually 51 mm 2 inches of air space is sufficient Also ensure that the vented air is not blowing on people Electrical outlets and cable lengths The following factors might determine the final placement of your computer Location of electrical outlets Length of power cords Length of the cables that are connected to the monitor and other devices When arranging your workspace Avoid the use o...

Page 63: ... Then type Narrator into the search field In the list of results click Narrator For Windows 8 1 Move your pointer to the top right or bottom right corner of the screen to display the charms and click Search Then type Narrator into the search field In the list of results click Narrator For more information about how to use and configure Narrator see the Windows Help and Support information system S...

Page 64: ...charms and click Search Then type Magnifier into the search field In the list of results click Magnifier For more information about how to use and configure Magnifier see the Windows Help and Support information system Note For touch screen computer models you also can zoom in and zoom out by using touch gestures instead of the keyboard See Zoom on page 56 Zoom You can use the zoom feature to enla...

Page 65: ...multi touch screen To open On Screen Keyboard do the following For Windows 7 Click the Start button Then type On Screen Keyboard into the search field In the list of results click On Screen Keyboard For Windows 8 1 Move your pointer to the top right or bottom right corner of the screen to display the charms and click Search Then type On Screen Keyboard into the search field In the list of results ...

Page 66: ... the documentation through a screen reader Each image in the documentation also includes adequate alternative text so that visually impaired users can understand the image when they use a screen reader Moving your computer to another country or region When you move your computer to another country or region you must take local electrical standards into consideration If you relocate your computer t...

Page 67: ... connector on the system board is enabled When you turn on the computer if the cover presence switch detects that your computer cover is not correctly installed or closed an error message will be displayed To bypass the error message and log in to the operating system do the following 1 Properly install or close your computer cover See Completing the parts replacement on page 151 2 Press F1 to ent...

Page 68: ...Figure 8 Installing a padlock 60 ThinkCentre M79 Hardware Maintenance Manual ...

Page 69: ...ng for Kensington at http www lenovo com support Figure 9 Kensington style cable lock Using passwords You can set a variety of passwords through the Microsoft Windows operating system and through the BIOS of your computer to help deter unauthorized use of your computer BIOS passwords You can use the BIOS Setup Utility program to set passwords to prevent unauthorized access to your computer and dat...

Page 70: ... program Press Enter when prompted to confirm the exit Using and understanding firewalls A firewall can be hardware software or a combination of both depending on the level of security required Firewalls work on a set of rules to determine which inbound and outbound connections are authorized If your computer is preinstalled with a firewall program it helps protect against computer Internet securi...

Page 71: ...essage will be displayed You must do one of the following Press F1 to enter the Setup Utility program Note After you enter the Setup Utility program press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit The error message will not be displayed again Press F2 to bypass the error message and log in to the operating system Note You have to enable th...

Page 72: ...hange any configuration settings Hard disk password Setting a hard disk password prevents unauthorized access to the data on the hard disk drive When a hard disk password is set you are prompted to enter a valid password each time you try to access the hard disk drive Notes After you set a hard disk password your data on the hard disk drive is protected even if the hard disk drive is removed from ...

Page 73: ...on for approximately 10 seconds Then turn off the computer by holding the power button for approximately five seconds 7 Repeat step 1 through step 2 8 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 9 Reinstall the computer cover and connect the power cord See Completing the parts replacement on page 151 Enabling or disabling a device This section provides informa...

Page 74: ...p Sequence Read the information displayed on the right side of the screen 4 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 68 Enabling ErP LPS compliance mode Lenovo computers meet the eco design requirements of the ErP Lot 3 regulation For more information go to http www lenovo com ecodeclaration You can enable ErP LPS compliance mode in...

Page 75: ...By enabling Better Acoustic Performance your computer will run with less noise at a normal thermal level By enabling Better Thermal Performance your computer will run at a better thermal level with normal acoustic performance To configure the ICE performance mode do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 63 2 From the Setup Utility program ma...

Page 76: ...ctions for using the BIOS updates are available in a TXT file that is included with the update files For most models you can download either an update program to create a system program update disc or an update program that can be run from the operating system This chapter provides information about updating the BIOS and how to recover from a BIOS update failure BIOS levels An incorrect level of B...

Page 77: ...t Exit OS Optimized Default 3 Depending on the operating system to be installed do one of the following To install the Windows 8 1 64 bit operating system select Enabled To install an operating system other than Windows 8 1 64 bit select Disabled 4 Select Yes in the window displayed and press Enter to confirm your selection 5 Press F10 to save changes and exit the Setup Utility program See Exiting...

Page 78: ...you do not make this change by pressing N However if you do want to change the serial number press Y then type in the serial number and press Enter 5 When prompted to change the machine type and model it is suggested that you do not make this change by pressing N However if you do want to change the machine type and model press Y then type in the machine type and model and press Enter 6 Follow the...

Page 79: ...d insert the BIOS update disc into the optical drive Wait a few minutes The recovery process begins After the recovery process is completed your computer will be turned off automatically Note Depending on the computer model the recovery process will take two to three minutes 9 Repeat step 1 through step 4 10 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 11 Recon...

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Page 81: ...tall the appropriate device driver Attention Do not download the latest device drivers from the Windows Update Web site The device drivers provided on the Windows Update Web site have not been tested by Lenovo and using them might cause unexpected problems Obtain the latest device drivers from Lenovo Updating your operating system You can update your operating system through the system update feat...

Page 82: ...programs on the Windows 8 1 operating system on page 41 If System Update is not currently installed on your computer you can download it from the Lenovo Support Web site at http www lenovo com support Cleaning and maintenance With appropriate care and maintenance your computer will serve you reliably The following topics offer information to help you keep your computer in top working order Basics ...

Page 83: ...on 5 Reconnect the mouse cable to the computer 6 Turn your computer back on Display screen Dust buildup compounds problems associated with glare Remember to clean your monitor screen periodically Cleaning a flat panel monitor surface To clean the flexible film surface of a flat panel computer display wipe it gently with a soft dry cloth or blow on the screen to remove grit and other loose particle...

Page 84: ...or USB storage devices as early as possible You can use a rescue medium to recover from failures that prevent you from gaining access to the Windows environment or the Rescue and Recovery workspace on your hard disk drive Moving your computer Take the following precautions before moving your computer 1 Back up all files and data from the hard disk drive There are a variety of backup programs avail...

Page 85: ...ched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region The monitor screen is blank Ensure that The monitor signal cable is correctly connected to the monitor and to the appropriate monitor connector on the computer The monitor power cord is correctly connected to the monitor and to a work...

Page 86: ...ion settings do not solve the problem or have adverse effects To restore a captured configuration do the following For Windows 7 Click Start Control Panel System and Security System System Protection System Restore For Windows 8 1 Open Control Panel and then click System and Security System System Protection System Restore Note For detailed information on how to open Control Panel on Windows 8 1 s...

Page 87: ...tor Note When external speaker or headphone cables are attached to the audio connector the internal speaker if present is disabled In most cases if an audio adapter is installed in one of the expansion slots the audio function built into the system board is disabled Therefore you must use the audio connectors on the audio adapter Ensure that the program you are running is designed for use in the M...

Page 88: ...uence on page 66 for information on viewing and changing the startup sequence Note that on some models the startup sequence is permanently set and cannot be changed DVD problems This section provides solutions to DVD related problems Black screen instead of DVD video Solutions Restart the DVD player program Try a lower screen resolution or color depth Close any open files and then restart the comp...

Page 89: ... from the correct hard disk drive on page 81 Some or all hard disk drives missing from the Setup Utility program Symptom Some or all hard disk drives missing from the Setup Utility program Actions Ensure that all hard disk drive signal cables and power cables are connected correctly Ensure that your computer is configured correctly to support the hard disk drives If your computer is installed with...

Page 90: ...rformance Customization Keyboard program to help diagnose problems To open the Enhanced Performance Customization Keyboard program do one of the following On Windows 7 1 Click Start Control Panel 2 Click Hardware and Sound 3 Click Devices and Printers 4 Double click USB Enhanced Performance Keyboard On Windows 8 1 1 Open Control Panel For more information see Accessing Control Panel on the Windows...

Page 91: ...r or power management might have been enabled Do one of the following Press a key to exit the screen saver Press the power button to resume the computer from sleep or hibernation mode The monitor works when I turn on the computer but goes blank when I start some application programs Solutions Connect the monitor signal cable from your monitor to an appropriate connector on the computer A loose cab...

Page 92: ...en follow the instructions on the screen On Windows 8 1 1 Open Control Panel For more information see Accessing Control Panel on the Windows 8 1 operating system on page 51 2 Click Hardware and Sound 3 Click Device Manager Type the administrator password or provide confirmation if prompted 4 If an exclamation mark is displayed next to an adapter name under Network adapters the adapter driver might...

Page 93: ...Mobile Hotspot tab to check your SSID and password On Windows 8 1 1 Open Control Panel For more information see Accessing Control Panel on the Windows 8 1 operating system on page 51 2 Click Network and Internet Network and Sharing Center to check your SSID and password Sound does not come from the Bluetooth headset or headphone but comes from the local speaker even though the headset or headphone...

Page 94: ...lorer on Windows 8 1 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup 4 Click Clean up system files 5 Click the More Options tab 6 Click Clean up in the Programs and Features area and then follow the instructions on the screen Clean out your Inbox Sent Items and Deleted Items folders from your e mail application The folder names and procedures vary depending on your ...

Page 95: ...es with your printer If you cannot correct the problem have the computer serviced See Chapter 12 Getting information help and service on page 153 Serial connector cannot be accessed Solutions Connect the serial cable to the serial connector on the computer and to the serial device If the serial device has its own power cord attach the power cord to a grounded electrical outlet Turn on the serial d...

Page 96: ...the USB device Refer to the documentation that comes with the USB device for more information Detach and reattach the USB connector to reset the USB device Diagnostics The diagnostic program is used to test hardware components of your computer The diagnostic program can also report operating system controlled settings that interfere with the correct operation of your computer You can use the prein...

Page 97: ...the following 1 Turn on the computer If the computer cannot be turned on go to Basic troubleshooting on page 77 If an error code is displayed go to Symptom to FRU index on page 92 for error code descriptions and troubleshooting hints 2 Repeatedly press and release the F10 key when turning on the computer The main screen of the UEFI diagnostic program is displayed 3 Follow the instructions on the s...

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Page 99: ...rds 3 Set all display controls to the middle position 4 Power on all external devices 5 Power on the computer Look for displayed error codes Listen for beep codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 on page 91 If you do receive the correct response proceed to step 7 on page 91 6 Look at the following conditions ...

Page 100: ...are set up between working and non working systems will often lead to problem resolution Symptom to FRU index The Symptom to FRU index lists error symptoms and possible causes The most likely cause is listed first Always begin with Service checkout on page 91 This index can also be used to help you decide which FRUs to have available when servicing a computer If you are unable to correct the probl...

Page 101: ...onnection Reseat connectors Check the power cord for continuity Power cord Check the power on switch for continuity Power on switch Beep symptoms Beep symptoms are tones or a series of tones separated by pauses intervals without sound during POST The following table describes the beep symptoms Beep symptom FRU Action 2 short beeps CMOS setting error Common error code see the detail failure informa...

Page 102: ...More than one external fingerprint reader are attached Power off and remove all but the reader that you set up within your main operating system If more than one external fingerprint reader are connected to a computer this error message will be displayed to inform you to remove all of the fingerprint keyboards except the one compatible with the fingerprint application on your computer 1962 No oper...

Page 103: ...stem Board 2 Primary Hard Disk Drive 3 Hard Disk Drive Cable Incorrect memory size during POST 1 Run the Memory tests 2 Memory Module 3 System Board Insert a Diskette icon appears with a known good diagnostics diskette in the first 3 5 inch diskette drive 1 System Board 2 Diskette Drive Cable 3 Network Adapter Intensity or color varies from left to right of characters and color bars 1 Display 2 Vi...

Page 104: ...r parallel connector device failure adapter connector 1 External Device Self Test OK 2 External Device 3 Cable 4 Alternate Adapter 5 System Board Some or all keys on the keyboard do not work 1 Keyboard 2 Keyboard Cable 3 System Board Undetermined problems This section provides instructions on how to find out the failing devices or adapters 1 Power off the computer 2 Remove or disconnect the follow...

Page 105: ...tructions on the screen 3 When the installation process finishes the Enhanced Backup and Restore icon is activated This section contains the following topics Creating and using recovery media on page 97 Performing backup and recovery operations on page 98 Creating and using a rescue medium on page 100 Reinstalling programs and device drivers on page 100 Solving recovery problems on page 102 Creati...

Page 106: ... Reinstalling programs and device drivers on page 100 Performing backup and recovery operations The Rescue and Recovery program enables you to back up all your hard disk drive contents including the operating system data files software programs and personal settings You can store the backup at the following locations The Rescue and Recovery workspace The secondary hard disk drive if a secondary ha...

Page 107: ... up your hard disk drive using the Rescue and Recovery program you can restore the hard disk drive from a Rescue and Recovery backup even if you cannot start the Windows operating system Restore your hard disk drive to the factory default state You can restore the complete contents of your hard disk drive to the factory default state even if you cannot start the Windows operating system If you hav...

Page 108: ...eate a rescue medium using a disc a USB storage device with sufficient capacity or a secondary internal hard disk drive 5 Click OK and follow the instructions on the screen to create a rescue medium Using a rescue medium Depending on whether you have created a rescue medium using a disc or a USB hard disk drive do one of the following If you have created a rescue medium using a disc do the followi...

Page 109: ...bfolder 5 Do one of the following Locate the EXE file Double click the EXE file and follow the instructions on the screen to complete the installation Locate the readme file with the txt extension The device driver installation information is included in the readme file Follow the instructions to complete the installation If the device subfolder contains an INF file and you want to install the dev...

Page 110: ...or future use Recovery information for the Windows 8 1 operating system This section contains the following topics Refreshing your computer on page 102 Resetting your computer to the factory default settings on page 102 Using the advanced startup options on page 103 Recovering your operating system if Windows 8 1 fails to start on page 103 Refreshing your computer If your computer does not perform...

Page 111: ... click Restart now Troubleshoot Advanced options 3 Restart your computer following the instructions on the screen Recovering your operating system if Windows 8 1 fails to start The Windows recovery environment on your computer is capable of operating independently from the Windows 8 1 operating system It enables you to recover or repair the operating system even if the Windows 8 1 operating system...

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Page 113: ...n a smooth level surface and place the part on the package Do not place the part on the computer cover or other metal surface Installing or replacing hardware This section provides instructions on how to install or replace hardware for your computer You can expand the capabilities of your computer and maintain your computer by installing or replacing hardware Attention Do not open your computer or...

Page 114: ...lock or a padlock See Attaching a Kensington style cable lock on page 61 or Locking the computer cover on page 59 5 Remove the two screws that secure the computer cover and slide the computer cover to the rear to remove it 5 6 3 4 Figure 10 Removing the computer cover Removing and reinstalling the front bezel Attention Do not open your computer or attempt any repair before reading and understandin...

Page 115: ...connecting the power switch and light emitting diode LED assembly cable 1 2 Figure 11 Removing the front bezel 4 To reinstall the front bezel align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis then pivot the front bezel inward until it snaps into position 1 2 Figure 12 Reinstalling the front bezel Chapter 11 Installing or replacing hardw...

Page 116: ...ystem board components and drives do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 105 3 Remove the front bezel See Removing and reinstalling the front bezel on ...

Page 117: ...lling or removing a memory module The X mark indicates the memory slot s into which the memory module s should be installed in different situations The numbers 1 2 3 and 4 indicate the installation sequence To locate the memory module slots see Locating parts on the system board on page 34 UDIMM DIMM 1 DIMM 2 DIMM 3 DIMM 4 One UDIMM X Two UDIMMs X 1 X 2 Three UDIMMs X 1 X 3 X 2 Four UDIMMs X 1 X 3...

Page 118: ...module do one of the following If you are replacing an old memory module open the retaining clips and gently pull the memory module out of the memory slot Figure 15 Removing a memory module If you are installing a memory module open the retaining clips of the memory slot into which you want to install the memory module Figure 16 Opening the retaining clips 110 ThinkCentre M79 Hardware Maintenance ...

Page 119: ...tandard PCI card slot two PCI Express x1 card slots and one PCI Express x16 graphics card slot To install or replace a PCI card do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the compute...

Page 120: ...e card is held in place by a retaining latch press the card retaining latch 1 as shown to disengage the latch Grasp the card and gently pull it out of the slot If you are installing a PCI card remove the screw that secures the appropriate metal slot cover Then remove the metal slot cover 6 Remove the new PCI card from its static protective package 112 ThinkCentre M79 Hardware Maintenance Manual ...

Page 121: ...d settings for built in features such as parallel connector assignments configuration A battery keeps this information active when you turn off the computer The battery normally requires no charging or maintenance throughout its life however no battery lasts forever If the battery fails the date time and configuration information including passwords are lost An error message is displayed when you ...

Page 122: ... piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the hard disk drive Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 To replace the hard disk drive do the following 1 Remove any media...

Page 123: ...ld the hard disk drive and remove the four screws that secure the hard disk drive Then remove the hard disk drive from the drive bay assembly Figure 23 Removing the hard disk drive 6 Disconnect the signal cable and the power cable from the hard disk drive to completely remove the hard disk drive from the chassis Chapter 11 Installing or replacing hardware 115 ...

Page 124: ... work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the solid state drive Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 The solid state drive is only available on som...

Page 125: ... disk drive on page 114 To replace the solid state drive in the storage converter do the following 1 Remove the four screws that secure the solid state drive to the storage converter Then remove the drive from the converter as shown Figure 26 Removing the solid state drive from the storage converter 2 Take the new solid state drive out of the static protective package Chapter 11 Installing or repl...

Page 126: ...e optical drive bay do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 105 3 Remove the front bezel See Removing and reinstalling the front bezel on page 106 4 Piv...

Page 127: ...e 28 Removing the solid state drive bracket 7 Remove the four screws that secure the solid state drive to the bracket Then slide the drive as shown to remove it from the bracket Figure 29 Removing the solid state drive from the bracket 8 Take the new solid state drive out of the static protective package Chapter 11 Installing or replacing hardware 119 ...

Page 128: ...tall the four screws to secure the new solid state drive to the bracket Figure 30 Installing the solid state drive into the bracket 10 Carefully slide the solid state drive bracket downward until it is secured by the three retaining clips 1 on the bottom of the optical drive bay Figure 31 Installing the solid state drive bracket 120 ThinkCentre M79 Hardware Maintenance Manual ...

Page 129: ...replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 Note The optical drive is only available on some models To install or replace an optical drive do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnec...

Page 130: ...ure the optical drive Figure 33 Removing the optical drive screws 7 Slightly press the drive bay assembly clip 1 inward and pivot the drive bay assembly downward as shown Figure 34 Lowering the drive bay assembly 122 ThinkCentre M79 Hardware Maintenance Manual ...

Page 131: ...e front of the computer Figure 35 Removing the optical drive 9 Slide the new optical drive into the optical drive bay from the front of the computer Figure 36 Installing a new optical drive Chapter 11 Installing or replacing hardware 123 ...

Page 132: ...en locate an available four wire power connector and connect it to the rear of the new optical drive Figure 38 Connecting a SATA optical drive What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the slim card reader Attention Do not open your computer or attempt...

Page 133: ... reader bracket and then remove the bracket from the chassis Figure 39 Removing the slim card reader bracket 6 Remove the two screws that secure the slim card reader to the bracket Then slide the slim card reader as shown to remove it from the bracket Note Touch only the edges of the slim card reader Do not touch the circuit board of it Figure 40 Removing the slim card reader from the bracket 7 Ta...

Page 134: ... the chassis Figure 42 Installing the slim card reader bracket 11 Connect the cable of the new slim card reader to the system board See Locating parts on the system board on page 34 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the heat sink and fan assemb...

Page 135: ...ical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 105 3 Pivot the drive bay assembly upward Then pivot the two plastic retaining clips outward to remove the heat sink fan duct from the failing heat sink and fan assembly Figure 43 Removing the heat sink fan duct 4 Disconnect the heat sink and fan assembly ca...

Page 136: ... touch the thermal grease on the bottom of the heat sink and fan assembly 7 Place the new heat sink and fan assembly on the system board so that the four screws are aligned with the corresponding holes in the system board Make sure that you properly place the new heat sink and fan assembly so that you can easily connect the new heat sink and fan assembly cable to the microprocessor fan connector o...

Page 137: ...y Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 Although there are no moving parts in your computer after the power cord has been disconnected the following warnings are required for your safety and proper Underwriters Laboratories UL certification CAUTION Hazardous moving parts Keep f...

Page 138: ... Remove the computer cover See Removing the computer cover on page 105 3 Remove the front bezel See Removing and reinstalling the front bezel on page 106 4 Remove the two screws that secure the heat sink fan duct and then lift the heat sink fan duct out of the chassis Figure 46 Removing the heat sink fan duct 5 Disconnect the power supply assembly cables from the system board and all drives See Lo...

Page 139: ...moving the power supply assembly 7 Make sure that the new power supply assembly is the correct replacement 8 Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly are aligned with the corresponding holes in the rear of the chassis Then install the three screws to secure the new power supply assembly in place Note Use only screws provided by...

Page 140: ...portant safety information on page 1 CAUTION The heat sink and microprocessor might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover To replace the microprocessor do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets an...

Page 141: ...5 Lift the small handle 1 to release the microprocessor 2 secured on the system board Figure 50 Accessing the microprocessor Chapter 11 Installing or replacing hardware 133 ...

Page 142: ...d position 8 Remove the protective cover that protects the gold contacts of the new microprocessor 9 Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket 10 Lower the new microprocessor straight down into the microprocessor socket on the system board 11 Lower th...

Page 143: ...n disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 105 3 Remove the front bezel See Removing and reinstalling the front bezel on page 106 4 Pivot the drive bay assembly upward See Accessing the system board components and drives on page 108 5 Remove all memory modules ...

Page 144: ...oard See Replacing the heat sink and fan assembly on page 126 Note If necessary apply the appropriate amount of thermal grease on the bottom of the heat sink and fan assembly 13 Install all memory modules and PCI Express cards removed from the failing system board onto the new system board See Installing or replacing a memory module on page 109 and Installing or replacing a PCI card on page 111 14...

Page 145: ...lacing the front audio and USB assembly Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 To replace the front audio and USB assembly do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outle...

Page 146: ...g parts on the system board on page 34 12 Lower the drive bay assembly See Accessing the system board components and drives on page 108 13 Reinstall the front bezel See Removing and reinstalling the front bezel on page 106 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 1...

Page 147: ...ly on page 126 7 Note the cable routing and disconnect the system fan assembly cable from the system fan connector on the system board See Locating parts on the system board on page 34 8 The system fan assembly is attached to the chassis by four rubber mounts Remove the system fan assembly by cutting the rubber mounts and lifting the system fan assembly out of the chassis Note The new system fan a...

Page 148: ... 114 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the thermal sensor Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 To replace the thermal sen...

Page 149: ... inner side of the front panel press the left retaining clip 1 that secures the plastic holder of the thermal sensor as shown and then push the clip out of the outer side of the front panel Then disengage the plastic holder holding the thermal sensor from the chassis Figure 57 Removing the thermal sensor 8 Pull the entire thermal sensor out of the chassis Chapter 11 Installing or replacing hardwar...

Page 150: ... or replacement go to Completing the parts replacement on page 151 Installing or removing the front Wi Fi antenna Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read this first Important safety information on page 1 Installing the front Wi Fi antenna To install the front Wi Fi antenna do the following 1 Remove any media from the drives and ...

Page 151: ...hat protects the stickers 5 Stick the front antenna to the front panel as shown Then insert the front antenna cable through the hole in the front panel Figure 60 Installing the front Wi Fi antenna 6 Connect the front antenna cable to the Wi Fi card module Chapter 11 Installing or replacing hardware 143 ...

Page 152: ... from the Wi Fi card module 5 Remove the front antenna and cable from the front of the computer Figure 61 Removing the front Wi Fi antenna What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Installing or removing the rear Wi Fi antenna Attention Do not open your computer...

Page 153: ...ng the parts replacement on page 151 Removing the rear Wi Fi antenna To remove the rear Wi Fi antenna do the following 1 Remove any media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Straighten the rear Wi Fi antenna so that it can be more easily twisted 3 Ho...

Page 154: ...moving the Wi Fi card module on page 147 Installing the Wi Fi units on page 148 Removing the Wi Fi adapter card To remove the Wi Fi adapter card do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 105 3 If your computer comes with a Wi Fi card module that supports the Bluetooth function ...

Page 155: ...ternate moving each side of the card a small amount until it is removed from the card slot Removing the Wi Fi card module To remove the Wi Fi card module do the following 1 Remove the Wi Fi adapter card from the computer and then disconnect the front and rear Wi Fi antenna cables from the Wi Fi card module Figure 66 Removing the Wi Fi antenna cables Chapter 11 Installing or replacing hardware 147 ...

Page 156: ...he screws that secure the Wi Fi card module 3 Pull the Wi Fi card module out of the mini PCI Express slot to remove it from the Wi Fi adapter card Figure 68 Removing the Wi Fi card module Installing the Wi Fi units To install the Wi Fi units do the following 148 ThinkCentre M79 Hardware Maintenance Manual ...

Page 157: ...wo screws to secure the Wi Fi card module to the Wi Fi adapter card Figure 69 Installing the Wi Fi card module 2 Connect the front antenna cable and rear antenna cable to the Wi Fi card module Figure 70 Connecting the Wi Fi antenna cables Chapter 11 Installing or replacing hardware 149 ...

Page 158: ... the Wi Fi adapter card in place Figure 71 Installing the Wi Fi adapter card What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 151 Replacing the keyboard or mouse Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 1 Read t...

Page 159: ...rmation in the Setup Utility program Refer to Using the Setup Utility program on page 63 To reinstall the computer cover and reconnect cables to your computer do the following 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer See Locating components on page 31 for the locations of various components in your computer 2 Ensur...

Page 160: ...nal cables and power cords to the computer See Locating connectors on the rear of your computer on page 29 8 To update your configuration refer to Using the Setup Utility program on page 63 Note In most areas of the world Lenovo requires the return of the defective Customer Replaceable Unit CRU Information about this will come with the CRU or will come a few days after the CRU arrives Obtaining de...

Page 161: ...er contains information on safety setup warranty and notices The safety information in the Safety Warranty and Setup Guide provides information you need to know before setting up and using this product Read and understand all safety information provided in the Safety Warranty and Setup Guide before using this product The information in Chapter 1 Read this first Important safety information on page...

Page 162: ...re problem see the documentation that comes with the operating system or software program including readme files and online help Most computers come with a diagnostic program that help you identify hardware problems You can also get the latest technical information and download device drivers and updates from Lenovo Support Web site at http www lenovo com support Calling for service During the war...

Page 163: ...nal Warranty Service which automatically entitles you to obtain warranty service throughout the warranty period Service will be performed by service providers authorized to perform warranty service Service methods and procedures vary by country and some services might not be available in all countries International Warranty Service is delivered through the method of service such as depot carry in ...

Page 164: ...vice availability and service name might vary by country or region For more information about these services go to the Lenovo Web site at http www lenovo com 156 ThinkCentre M79 Hardware Maintenance Manual ...

Page 165: ...on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult an authorized dealer or service representative for help Lenovo is not responsible f...

Page 166: ... installieren und zu betreiben Des Weiteren dürfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden Lenovo übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen wenn das Produkt ohne Zustimmung der Lenovo verändert bzw wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der Lenovo gesteckt eingebaut werden Deutschland Einhaltung des Gesetzes über die e...

Page 167: ...s posible que este equipo o dispositivo no cause interferencia perjudicial y 2 este equipo o dispositivo debe aceptar cualquier interferencia incluyendo la que pueda causar su operación no deseada Additional regulatory information For additional regulatory information refer to the Regulatory Notice shipped with your computer Depending on the configuration of your computer and the country or region...

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Page 169: ...for the return recycle and recovery of WEEE and to minimize any potential effects of EEE on the environment and human health due to the presence of hazardous substances For additional WEEE information go to http www lenovo com recycling Recycling information for Japan Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo compute...

Page 170: ... Disposal of a lithium battery must comply with local ordinances and regulations Recycling information for Brazil Declarações de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de Uso Equipamentos elétricos e eletrônicos não devem ser descartados em lixo comum mas enviados à pontos de coleta autorizados pelo fabricante do produto para que sejam encaminhados e processados por empresas espec...

Page 171: ...o indicate that they are to be collected separately and recycled at end of life The label on the battery may also include a chemical symbol for the metal concerned in the battery Pb for lead Hg for mercury and Cd for cadmium Users of batteries and accumulators must not dispose of batteries and accumulators as unsorted municipal waste but use the collection framework available to customers for the ...

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Page 173: ...azardous substances in electrical and electronic equipment RoHS recast or RoHS 2 For more information about Lenovo progress on RoHS go to http www lenovo com social_responsibility us en RoHS_Communication pdf China RoHS Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electroni...

Page 174: ...Ukraine RoHS India RoHS RoHS compliant as per E Waste Management Handling Rules 2011 166 ThinkCentre M79 Hardware Maintenance Manual ...

Page 175: ...Appendix D China Energy Label Copyright Lenovo 2014 167 ...

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Page 177: ... electricity Reduced electrical consumption contributes to potential financial savings a cleaner environment and the reduction of greenhouse gas emissions For more information about ENERGY STAR go to http www energystar gov Lenovo encourages you to make efficient use of energy an integral part of your day to day operations To help in this endeavor set the following power management features to tak...

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Page 179: ...e publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Len...

Page 180: ... ThinkVantage Microsoft Windows and Windows Media are trademarks of the Microsoft group of companies Linux is a registered trademark of Linus Torvalds DisplayPort is a Trademark of the Video Electronics Standards Association Other company product or service names may be trademarks or service marks of others 172 ThinkCentre M79 Hardware Maintenance Manual ...

Page 181: ...1 CRUs Customer Replacable Units returning defective 31 customer support center 154 D deleting a password 64 Description 30 device drivers 152 devices handling static sensitive 105 diagnostic program 88 diagnostics program using 154 diagnostics troubleshooting 77 DisplayPort connector 30 documentation using 154 drivers device 152 drives bays 35 specifications 35 E environment operating 40 Ethernet...

Page 182: ...65 PCI card 111 installing replacing 111 slots 111 physical specifications 40 power features 38 power supply assembly replacing 129 power on self test POST 68 Power on password 64 programs updating system 68 purchasing additional services 155 R rear connectors 29 rear Wi Fi antenna installing removing 144 recovering from a BIOS update failure 70 software 97 recovery boot block 70 operations backup...

Page 183: ...08 system fan assembly replacing 138 T temporary startup device 66 the BIOS 69 the BIOS updating 69 70 thermal sensor replacing 140 trademarks 172 troubleshooting basic 77 troubleshooting diagnostics 77 U updating system programs 68 the BIOS 69 updating the BIOS 70 USB 2 0 connector 30 USB 3 0 connector 30 using a rescue medium creating and 100 BIOS passwords 64 diagnostic program 154 documentatio...

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