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on development-level systems and there is no guarantee that these measurements will be the same on
generally available systems. Furthermore, some measurements may have been estimated through
extrapolation. Actual results may vary. Users of this document should verify the applicable data for their
specific environment.

This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux
agreement(s) which may accompany software included with this product. Lenovo may update this document
at any time without notice.

For the latest information or any questions or comments, contact or visit the Lenovo Web site:

https://pcsupport.lenovo.com

Trademarks

LENOVO, LENOVO logo, THINKCENTRE, and THINKCENTRE logo are trademarks of Lenovo. Intel and
Optane are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft
and Windows are trademarks of the Microsoft group of companies. DisplayPort is a trademark of the Video
Electronics Standards Association. The terms HDMI and HDMI High-Definition Multimedia Interface are
trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. Wi-Fi
is a registered trademark of Wi-Fi Alliance. USB-C is a trademark of USB Implementers Forum. All other
trademarks are the property of their respective owners. © 2020 Lenovo.

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Summary of Contents for ThinkCentre M70t

Page 1: ...M70t and M80t Hardware Maintenance Manual ...

Page 2: ...t Lenovo 2021 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...s 41 Basic procedure for resolving computer problems 41 Troubleshooting 41 Startup problems 42 Audio problems 43 Network problems 43 Performance problems 46 Storage drive problems 47 CD or DVD problems 47 Serial connector problems 48 USB device problems 48 Software problems 49 Diagnostics 49 Lenovo diagnostic tools 49 UEFI diagnostic program 49 Recovery 50 Restore system files and settings to an e...

Page 4: ...ront fan 89 Rear fan 90 Wi Fi antenna and cable 91 Cover presence switch 94 Heat sink and fan assembly 95 Microprocessor 96 System board 99 Chapter 7 Notices and trademarks 101 ii M70t and M80t Hardware Maintenance Manual ...

Page 5: ... with the advanced diagnostic tests to troubleshoot 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 Important safety information on page 1 Copyright ...

Page 6: ...iv M70t and M80t Hardware Maintenance Manual ...

Page 7: ... Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for ...

Page 8: ...position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Remember Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Remember Ther...

Page 9: ...sider these conditions and the safety hazards they present Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock Explosive hazards such as a damaged CRT face or bulging capacitor Mechanical hazards such as loose or missing hardware The guide consists of a series of steps presented in a checklist Begin the checks with the power off and ...

Page 10: ...ve and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system is desirable but not required to prot...

Page 11: ...ct and disconnect cables as described in the following tables when installing moving or opening covers on this product or attached devices To Connect To Disconnect 1 Turn everything OFF 2 First attach all cables to devices 3 Attach signal cables to connectors 4 Attach power cords to outlet 5 Turn device ON 1 Turn everything OFF 2 First remove power cords from outlet 3 Remove signal cables from con...

Page 12: ...ucts contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb CAUTION Use safe practices when lifting CAUTION The power control button on the device and the power switch on the power supply do not turn off t...

Page 13: ...Chapter 1 Important safety information 7 ...

Page 14: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 1 2 8 M70t and M80t Hardware Maintenance Manual ...

Page 15: ... 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 tomadas 5 LIGUE os dispositivos 1 DESLIGUE Tudo 2 Primeiramente remova os cabos ...

Page 16: ...iodo 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 equipamentos CUIDADO O botão de controle de alimentação do dispositivo e o botão para ligar d...

Page 17: ...Chapter 1 Important safety information 11 ...

Page 18: ...1 2 12 M70t and M80t Hardware Maintenance Manual ...

Page 19: ...Chapter 1 Important safety information 13 ...

Page 20: ...lisez 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 s...

Page 21: ...ropriée 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 suivan...

Page 22: ... 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 Signalk...

Page 23: ...atterie 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 i...

Page 24: ...ben 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 M70t and M80t Hardware Maintenance Manual ...

Page 25: ...Chapter 1 Important safety information 19 ...

Page 26: ...ICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione può essere pericolosa Per evitare il rischio di scosse elettriche 20 M70t and M80t Hardware Maintenance Manual ...

Page 27: ...chiature 2 Innanzitutto collegare tutti i cavi alle unità 3 Collegare i cavi di segnale ai connettori 4 Collegare i cavi di alimentazione alla presa 5 Accendere l unità 1 SPEGNERE le apparecchiature 2 Innanzitutto rimuovere i cavi di alimentazione dalla presa 3 Rimuovere i cavi di segnale dai connettori 4 Rimuovere tutti i cavi dalle unità ATTENZIONE Quando si sostituisce la batteria al litio util...

Page 28: ... segue Aprendo l unità vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici ed evitare l esposizione al fascio 18 kg 32 kg 55 kg 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 ...

Page 29: ...Chapter 1 Important safety information 23 ...

Page 30: ...ción mantenimiento o reconfiguración de este 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 ...

Page 31: ...ispositivos PRECAUCIÓN Cuando sustituya una batería 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 ...

Page 32: ...opte 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 ...

Page 33: ... see if the symptoms change Replace only the FRU that changed the symptoms Strategy for replacing a hard disk drive or a solid state drive Always try to run a low level format operation before replacing a hard disk drive or a solid state drive This will cause all customer data on the drive to be lost Ensure that the customer has a current backup of the data before you perform this task Attention T...

Page 34: ...default country code is WW example 20AACTO1WW Special bid model This model is a unique configuration that has been negotiated between Lenovo and the customer A unique MTM consists of a 4 character MT a 4 character model and a numeric 2 character country code is provided to the customer to place orders example 20AA000955 The country code assigned is numeric and does not designate a specific country...

Page 35: ...y indicator 3 SD card slot 4 Power button 5 Storage drive activity indicator 6 ThinkCentre LED 7 Microphone connector 8 Headset connector 9 USB C 3 2 Gen 1 connector 10 USB 3 2 connectors Gen 1 11 USB 3 2 connectors Gen 2 12 Internal speaker for selected models Copyright Lenovo 2021 29 ...

Page 36: ...nector with smart power on feature 6 Power cord connector 7 Smart cable clip slots 8 PS 2 keyboard and mouse connector 9 Serial connector 10 Ethernet connector 11 E lock slots 12 Serial connector 13 PCI Express card area 14 Padlock loop 15 Security lock slot for selected models 30 M70t and M80t Hardware Maintenance Manual ...

Page 37: ...2 connector Gen 1 with smart power on feature 6 Power cord connector 7 Smart cable clip slots 8 PS 2 keyboard and mouse connector 9 Serial connector 10 Ethernet connector 11 E lock slots 12 Serial connector 13 PCI Express card area 14 Padlock loop 15 Security lock slot for selected models Chapter 3 Product overview 31 ...

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Page 39: ...structions or a main menu on the display If you did not receive the correct response proceed to step 6 on page 33 If you do receive the correct response proceed to step 7 on page 33 6 Look at the following conditions and follow the instructions If you hear beep codes during POST go to on page If the computer displays a POST error go to on page If the computer hangs and no error is displayed contin...

Page 40: ... most likely cause is listed first Always begin with Service checkout on page 33 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 problem using this index go to Undetermined problems on page 38 Notes The Symptom to FRU index is not specific to any machine type and are applicable to all ThinkCentre computers If yo...

Page 41: ...or 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 common POST error Common POST error code See the detailed failure information in on page 3 short and 1 long beeps DRAM memory error Perform the following actions in orde...

Page 42: ...ilure ODD fan failure This error message is displayed when a fan fails and the system might be overheating Press F1 to enter Setup F2 to resume 0162 Setup data integrity check failure This error indicates the checksum of BIOS Setup data in NVRAM is bad In BIOS Setup the Save Changes and Exit operation is needed in order to clear this error 0164 Memory configuration change has occurred This error m...

Page 43: ...Power Supply 2 System Board Diskette drive in use light remains on or does not light when drive is active 1 Diskette Drive 2 System Board 3 Diskette Drive Cable Blank screen except for flashing cursor 1 System 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 go...

Page 44: ...k drive RPL computer does not RPL from server 1 Check the startup sequence 2 Check the network adapter LED status Serial or parallel connector device failure system board connector 1 External Device Self Test OK 2 External Device 3 Cable 4 System Board Serial or parallel connector device failure adapter connector 1 External Device Self Test OK 2 External Device 3 Cable 4 Alternate Adapter 5 System...

Page 45: ...the computer to retest the system 4 Repeat steps 1 through 3 until you find the failing device or adapter If all devices and adapters have been removed and the problem continues replace the system board See System board on page 99 Chapter 4 Service checkout and symptom to FRU index 39 ...

Page 46: ...40 M70t and M80t Hardware Maintenance Manual ...

Page 47: ...y c All connected devices that require ac power are connected to properly grounded and working electrical outlets d All connected devices are enabled in UEFI BIOS 2 Use an antivirus program to see if the computer has been infected by a virus If the program detects a virus remove the virus 3 Go to Troubleshooting on page 41 and follow the instructions for the type of problem you are experiencing 4 ...

Page 48: ... correct storage drive or fails to start up Ensure that all storage drive signal cables and power cables are connected correctly Ensure that the storage drive the computer starts up from is listed as the first startup device in UEFI BIOS In rare cases the storage drive with the operating system might get corrupted or damaged In such cases you might need to replace the storage drive If the computer...

Page 49: ... 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 Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature The program must be configured to use SoundBlaster Pro or SoundBlaster emul...

Page 50: ... mode might degrade performance cause data loss or result in lost connections When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps the Ethernet LAN connection fails or errors occur Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE T hub switch not 100 BASE X The Wake On LAN WOL feature does not work Enable the Wake On LAN feature in UEFI B...

Page 51: ... and then click Enable device 4 Expand Network adapters to display all network devices Right click each Bluetooth device and then click Enable device Turn on the Bluetooth radio 1 Open the Start menu 2 Click Settings Devices Bluetooth other devices 3 Turn on the Bluetooth switch to enable the Bluetooth feature Update or reinstall the Bluetooth driver Sound does not come from the Bluetooth headset ...

Page 52: ...Start menu 2 Click Windows System File Explorer This PC 3 Right click your C drive and then click Properties 4 Check the amount of free space and then click Disk Cleanup 5 A list of unnecessary file categories is displayed Select the category you want to delete and then click OK Disable some Windows features or remove some unnecessary programs 1 Go to Control Panel and view by large icons or small...

Page 53: ...damaged Try inserting another disc that you know works If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem A bootable recovery medium such as the Product Recovery CD cannot be used to start your computer Ensure that the CD or DVD drive is set as the...

Page 54: ...the power cord to a grounded electrical outlet Turn on the serial device and keep the device online Install any programs supplied with the serial device Refer to the documentation that comes with the serial device for more information If you added one serial connector adapter ensure that the adapter is installed correctly USB device problems Problem Solution A USB device cannot be accessed Connect...

Page 55: ...ettings that interfere with the correct operation of your computer Lenovo diagnostic tools For information about Lenovo diagnostic tools go to https pcsupport lenovo com lenovodiagnosticsolutions UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer It enables you to test memory modules and internal storage devices view system information and check and recover bad secto...

Page 56: ...en System Restore Then follow the on screen instructions Restore your files from a backup Note If you use the File History tool to restore your files from a backup ensure that you backed up your data earlier with the tool 1 Go to Control Panel and view by large icons or small icons 2 Click File History Restore personal files Then follow the on screen instructions Reset your computer In the resetti...

Page 57: ...s connected to ac power 2 Prepare a USB drive with capacity of at least 16 GB The actual USB capacity required depends on the size of the recovery image 3 Connect the prepared USB drive to the computer 4 Type recovery in the search box Then click Create a recovery drive 5 Click Yes in the User Account Control window to allow the Recovery Media Creator program to start 6 In the Recovery Drive windo...

Page 58: ...com and select the entry for your computer Then follow the on screen instructions to download and install necessary drivers and software From Windows Update Note The device drivers provided by Windows Update might not be tested by Lenovo It is recommended that you get device drivers from Lenovo 1 Open the Start menu 2 Click Settings Update Security Windows Update 3 Follow the on screen instruction...

Page 59: ...ansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity from the package and your body before you install or replace a new part When possible remove the new part from the static protective package and install it directly in the computer without setting the part down When this is not possible place the static protective package on ...

Page 60: ...lves or by trained service technicians at an additional cost Optional service CRUs Refer to parts that can be installed or replaced by customers with a greater skill level Trained service technicians can also provide service to install or replace the parts under the type of warranty designated for the customer s machine FRUs Refer to parts that must be installed or replaced only by trained service...

Page 61: ...mber Description Self service CRU Optional service CRU 1 Heat sink and fan assembly No No 2 Memory module Yes No 3 Microprocessor No No 4 System board No No Chapter 6 Hardware removal and installation 55 ...

Page 62: ...nternal speaker No No 19 Optical drive bracket Yes No 20 Optical drive Yes No 21 Optical drive cable No No 22 Front bezel Yes No 23 Front fan No No 24 Power cord Yes No 25 Mouse Yes No 26 Keyboard Yes No 27 Primary hard disk drive Yes No 28 Rear fan No No 29 Secondary hard disk drive Yes No 30 Rear Wi Fi antenna cover No No 31 Power supply assembly No Yes 32 Hard disk drive cables No No 33 Rear Wi...

Page 63: ... selected models For detailed FRU and CRU information such as the FRU part numbers and supported computer models go to http www lenovo com serviceparts lookup Chapter 6 Hardware removal and installation 57 ...

Page 64: ... 10 pin power connector 13 SATA power connectors 14 Auxiliary fan connector 15 Clear CMOS Recovery jumper 16 SATA 3 0 connectors 17 M 2 solid state drive slot 18 M 2 Wi Fi card slot 19 Thermal sensor connector 20 Front USB connector 21 Parallel connector 22 Serial connector 23 PCI Express x1 card slot 24 PCI Express x16 graphics card slot 25 Coin cell battery 26 System fan connector 27 E lock conn...

Page 65: ...y fan connector 15 Clear CMOS Recovery jumper 16 SATA 3 0 connectors 17 M 2 solid state drive slot 18 M 2 Wi Fi card slot 19 Thermal sensor connector 20 Front USB connector 2 21 Front USB connector 1 22 Parallel connector 23 Serial connector 24 PCI Express card slot physical link width x16 negotiable link width x4 x1 25 PCI Express x1 card slot 26 PCI Express x16 graphics card slot 27 Coin cell ba...

Page 66: ...tion see Chapter 3 Product overview on page 29 to identify the required connector Then use the instructions that come with the option to help you make the connection and install any required software or device drivers Computer cover Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Before you open the computer cover turn off th...

Page 67: ... cables to the computer Note If a locking device is available use it to lock the computer Front bezel Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 Chapter 6 Hardware removal and installation 61 ...

Page 68: ... Remove the front bezel 3 Install the front bezel 4 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 62 M70t and M80t Hardware Maintenance Manual ...

Page 69: ...ing instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Disconnect the signal and power cable from the optical drive 4 Remove the optical drive 5 Remove the optical drive bracket Chapter 6 Hardware removal and installation 63 ...

Page 70: ... the power cord and all disconnected cables to the computer Drive bay assembly Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 64 M70t and M80t Hardware Maintenance Manual ...

Page 71: ...ard disk drive Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Attention The internal storage drive is sensitive Inappropriate handling might cause damage and permanent loss of data When handling the internal storage drive observe the following guidelines Chapter 6 Hardware removal and installation 65 ...

Page 72: ...or vibration Put the internal storage drive on a soft material such as cloth to absorb physical shocks 3 5 inch primary hard disk drive 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the optical drive if any See Optical drive on page 63 4 Remove the drive bay assembly See Drive bay assembly on page 64 5 Disconnect the signal c...

Page 73: ...nect the signal cable and the power cable from the 2 5 inch secondary hard disk drive 3 Remove the 2 5 inch secondary hard disk drive 4 Install the 2 5 inch secondary hard disk drive 5 Connect the signal cable and the power cable to the new hard disk drive 6 Reinstall all removed parts Then reconnect the power cord and all disconnected cables to the computer Chapter 6 Hardware removal and installa...

Page 74: ...uent changes or replacement Before replacing the internal storage drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the internal storage drive Otherwise the internal storage drive might get damaged Do not apply pressure to the internal storage drive Do not make the internal storage drive subject to physical shocks or vibration Put the internal storage ...

Page 75: ...a Pull out the stopper b Remove the M 2 solid state drive c Install the M 2 solid state drive Chapter 6 Hardware removal and installation 69 ...

Page 76: ...omputers with the heat sink for the M 2 solid state drive do one of the following depending on the computer model Type 1 a Pull out the stopper b Remove the heat sink with the bracket 70 M70t and M80t Hardware Maintenance Manual ...

Page 77: ... 2 solid state drive e Remove the film that covers the thermal pad if any Then install the M 2 solid state drive f Remove the film that covers the thermal pad if any Then install the heat sink Chapter 6 Hardware removal and installation 71 ...

Page 78: ...g Install the heat sink with the bracket h Insert the stopper Type 2 a Pull out the stopper 72 M70t and M80t Hardware Maintenance Manual ...

Page 79: ...ve c Remove the M 2 solid state drive d Remove the film that covers the thermal pad if any Then install the M 2 solid state drive e Install the heat sink with the M 2 solid state drive f Insert the stopper Chapter 6 Hardware removal and installation 73 ...

Page 80: ...rint the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Remove the M 2 solid state drive and its heat sink if any See M 2 solid state drive and heat sink on page 68 5 Remove the M 2 solid state drive bracket 74 M70t and M80t...

Page 81: ...rtant safety information on page 1 and print the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 Chapter 6 Hardware removal an...

Page 82: ...d with a click 6 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer PCI Express connector cable Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 76 M70t and M80t Hardware Maintenance Manual ...

Page 83: ...nnector cable 6 Install the PCI Express connector cable 7 Connect the new cable to the system board 8 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer PCI Express card Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Chapter 6 Hardware removal and installation 77 ...

Page 84: ...ay assembly See Drive bay assembly on page 64 4 Remove the PCI Express card 5 Remove the PCI Express connector cable if any See PCI Express connector cable on page 76 Then install the PCI Express card 6 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 78 M70t and M80t Hardware Maintenance Manual ...

Page 85: ...s A coin cell battery keeps this information active when you turn off the computer The coin cell battery normally requires no charging or maintenance throughout its life however no coin cell battery lasts forever If the coin cell battery fails the date and time information is lost An error message is displayed when you turn on the computer Replacement procedure 1 Remove the computer cover See Comp...

Page 86: ...been disconnected the following warnings are required for your safety Keep fingers and other parts of your body away from hazardous moving parts If you suffer an injury seek medical care immediately Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached Ther...

Page 87: ...cables to the system board 8 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer E lock Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Chapter 6 Hardware removal and installation 81 ...

Page 88: ...ock 5 Connect the E lock cable to the system board 6 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer Wi Fi Card Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 82 M70t and M80t Hardware Mai...

Page 89: ...on page 64 4 Pull out the stopper and remove the Wi Fi card from the M 2 Wi Fi card slot 5 Remove the Wi Fi card shield 6 Disconnect the Wi Fi antenna cables from the Wi Fi card 7 Connect the Wi Fi antenna cables to the Wi Fi card 8 Install the Wi Fi card shield Chapter 6 Hardware removal and installation 83 ...

Page 90: ...t read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the card reader cable from the system board 5 Remove the card reader bracket 84 M70t and M80t Ha...

Page 91: ...rd reader s circuit board 7 Install the card reader 8 Install the card reader bracket 9 Connect the card reader cable to the system board 10 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer Chapter 6 Hardware removal and installation 85 ...

Page 92: ...omputer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Remove the card reader bracket if any See Card reader on page 84 5 Disconnect the power button cable from the system board 6 Remove the power button from the front I O bracket 7 Remove the front I O bracket 86 M70t and M80t Hardware Maintenance Manual ...

Page 93: ...ter Thermal sensor Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the thermal sensor cable from the system board Ch...

Page 94: ...nstall the thermal sensor 7 Connect the thermal sensor cable to the system board 8 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 88 M70t and M80t Hardware Maintenance Manual ...

Page 95: ...ions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the front fan cable from the system board 5 Remove the front fan Chapter 6 Hardware removal and installation 89 ...

Page 96: ... Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the rear fan cable from the system board 90 M70t and M80t Hardware Maintenance M...

Page 97: ...re you start read Chapter 1 Important safety information on page 1 and print the following instructions Front Wi Fi antenna and cable 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the front Wi Fi antenna cable from the Wi Fi card See Wi Fi Card on page 82 C...

Page 98: ...tall the front Wi Fi antenna and cable 7 Connect the front Wi Fi antenna cable to the Wi Fi card 8 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 92 M70t and M80t Hardware Maintenance Manual ...

Page 99: ... page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Disconnect the rear Wi Fi antenna cable from the Wi Fi card See Wi Fi Card on page 82 5 Remove the rear Wi Fi antenna cover 6 Remove the rear Wi Fi antenna and cable 7 Install the rear Wi Fi antenna and cable Chapter 6 Hardware removal and installation 93 ...

Page 100: ...es to the computer Cover presence switch Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Disconnect the cover presence switch cable from the system board 3 Remove the cover presence switch 94 M70t and M80t Hardware Maintenance Manual ...

Page 101: ...e 1 and print the following instructions CAUTION The heat sink and fan assembly might be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on pag...

Page 102: ...power cord and all disconnected cables to the computer Microprocessor Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions CAUTION The heat sink and microprocessor might be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool 96 M70t and M80t Hardware Maintenance Man...

Page 103: ...ossible Replacement procedure 1 Remove the computer cover See Computer cover on page 60 2 Remove the front bezel See Front bezel on page 61 3 Remove the drive bay assembly See Drive bay assembly on page 64 4 Remove the heat sink and fan assembly See Heat sink and fan assembly on page 95 5 Unlock the microprocessor socket 6 Pivot the microprocessor socket upward Chapter 6 Hardware removal and insta...

Page 104: ...7 Remove the microprocessor 8 Install the microprocessor 9 Pivot the microprocessor socket downward 98 M70t and M80t Hardware Maintenance Manual ...

Page 105: ...e Drive bay assembly on page 64 4 Remove the front I O bracket See Front I O bracket on page 86 5 Remove all memory modules See Memory module on page 75 6 Remove the heat sink and fan assembly See Heat sink and fan assembly on page 95 7 Remove the microprocessor See Microprocessor on page 96 8 Remove the front fan See Front fan on page 89 9 Remove the rear fan See Rear fan on page 90 10 To get acc...

Page 106: ...ard carefully by its edges 13 Install the system board 14 Reconnect all cables to the system board 15 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 100 M70t and M80t Hardware Maintenance Manual ...

Page 107: ...your computer and the content of the manual at any time without additional notice The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase For the configuration of the product refer to the related contract if any or product packing list or consult the distri...

Page 108: ...omments contact or visit the Lenovo Web site https pcsupport lenovo com Trademarks LENOVO LENOVO logo THINKCENTRE and THINKCENTRE logo are trademarks of Lenovo Intel and Optane are trademarks of Intel Corporation or its subsidiaries in the U S and or other countries Microsoft and Windows are trademarks of the Microsoft group of companies DisplayPort is a trademark of the Video Electronics Standard...

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