Lenovo AIO V540-24IWL Hardware Maintenance Manual Download Page 5

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About this manual

This manual provides service and reference information for ThinkStation

computers listed on the front

cover.

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

Important:

This manual is intended only for trained service technicians who are familiar with ThinkStation

computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkStation computer, be sure to read and understand Chapter 2 “Important safety
information” on page 27.

iii

Summary of Contents for AIO V540-24IWL

Page 1: ...Hardware Maintenance Manual ...

Page 2: ...Lenovo 2019 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: ...c procedure for resolving computer problems 39 Troubleshooting 39 Startup problems 40 Screen problems 41 Audio problems 42 Network problems 43 Performance problems 45 Storage drive problems 46 CD or DVD problems 46 Serial connector problems 47 USB device problems 47 Software problems 48 Diagnostics 48 Lenovo diagnostic tools 48 UEFI diagnostic program 48 Lenovo Vantage 49 Recovery 49 Restore syste...

Page 4: ...Wi Fi antennas 80 System board 82 Middle frame and LCD panel 84 Chapter 7 Notices and trademarks 87 ii Hardware Maintenance Manual ...

Page 5: ... to troubleshoot problems Important This manual is intended only for trained service technicians who are familiar with ThinkStation computers Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkStation computer be sure to read and understand Chapter 2 Important safety information on page 27 Copyright Lenovo 2019 iii ...

Page 6: ...iv 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: ...he off 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 Rememb...

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: ...nsulative 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 ...

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: ...er products 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 tur...

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 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: ...ontêm 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 equipamentos CUIDADO O botão de controle de alimentação do dispositivo e o botão para ...

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

Page 18: ...1 2 12 Hardware Maintenance Manual ...

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

Page 20: ...e n utilisez 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 m...

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: ...nnungen 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 ...

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: ...im Anheben 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 Hardware Maintenance Manual ...

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

Page 26: ...1 2 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione può essere pericolosa Per evitare il rischio di scosse elettriche 20 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: ... quanto 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 f...

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

Page 30: ...instalación 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...

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: ...CIÓN Adopte 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 ...

Page 33: ...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 The drive...

Page 34: ...n 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 or region The custom model factsheet for the MTM indicates which country the special bid MTM is set up for Speci...

Page 35: ...tegrated camera activity indicator 4 Integrated camera 5 Optical drive eject close button 6 Optical drive activity indicator 7 Power button 8 Internal speakers 2 9 Headset connector 10 SD card slot 11 USB 3 1 connector Gen 2 12 USB 2 0 connectors 2 for selected models Copyright Lenovo 2019 29 ...

Page 36: ...r Note You are responsible for evaluating selecting and implementing the locking device and security feature Lenovo makes no comments judgments or warranties about the function quality or performance of the locking device and security feature You can purchase computer locks from Lenovo Kensington style cable lock Lock your computer to a desk table or other fixtures through a Kensington style cable...

Page 37: ...in menu on the display If you did not receive the correct response proceed to step 6 on page 31 If you do receive the correct response proceed to step 7 on page 31 6 Look at the following conditions and follow the instructions If you hear beep codes during POST go to Beep symptoms on page 33 If the computer displays a POST error go to POST error codes on page 34 If the computer hangs and no error ...

Page 38: ...es The most likely cause is listed first Always begin with Service checkout on page 31 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 37 Notes The Symptom to FRU index is not specific to any machine type and are applicable to all ThinkStation computer...

Page 39: ... 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 POST error codes on page 34 3 short and 1 long beeps DRAM memory error Perform the following actions in order 1 Make sure that the memory modules are properly seated in the memory slots 2 Replace the memory...

Page 40: ...essage is displayed when a fan fails and the system might be overheating Press F10 to exit 0211 Keyboard not found This error message is displayed when no keyboard is detected 0164 Memory size decreased This error message is displayed when the memory size is decreased Press F10 to exit 1762 SATA device configuration change has occurred This error message is displayed when a hard disk drive change ...

Page 41: ...tom FRU Action Changing display colors Display Monitor Computer will not power off See Hard disk drive boot error on page 32 1 Power Switch 2 System Board 3 Riser card if installed Computer will not RPL from server 1 Ensure that the network is in startup sequence as the first device or the first device after diskette 2 Ensure that the network adapter is enabled for RPL 3 Network adapter Advise net...

Page 42: ... on page 32 Non system disk or disk error type message with a known good diagnostic diskette 1 Diskette Drive 2 System Board 3 Diskette Drive Cable Other display symptoms not listed above including blank or illegible display 1 Display 2 System Board Power on indicator or hard disk drive in use light not on but computer works correctly 1 Power switch LED assembly 2 System Board Printer problems 1 P...

Page 43: ...Cable 3 System Board Undetermined problems This section provides instructions on how to find out the failing devices or adapters 1 Turn off the computer 2 Remove or disconnect the following components if installed one at a time a External devices modem printer or mouse b Any adapters c Memory modules d Extended video memory e External Cache f External Cache RAM g Hard disk drive h Diskette drive 3...

Page 44: ...38 Hardware Maintenance Manual ...

Page 45: ...orrectly 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 39 and follow the instructions for the type of problem you are experien...

Page 46: ...rom the 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 c...

Page 47: ... problem Move fluorescent desk lighting or any equipment that produces magnetic fields farther away from the screen If the problem persists turn off the computer Then adjust the placement of the computer and other devices so that they are at least 305 mm 12 inches apart Turn on the computer Reset the refresh rate 1 Right click a blank area on the desktop 2 Click Display settings On the Display tab...

Page 48: ...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 emulation Ensure that the audio device driver...

Page 49: ...igured for full duplex Setting a wrong duplex 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 ...

Page 50: ...evice 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 or headphones 1 Exit the application that uses the sound device for example Windows Media Player 2 Right click the volume icon in the Windows no...

Page 51: ... 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 icon...

Page 52: ...hed or damaged Try inserting another disc that you know is good 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 s...

Page 53: ...ower 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 the ...

Page 54: ...at interfere with the correct operation of your computer Lenovo diagnostic tools This section introduces a set of Lenovo diagnostic tools For more information 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...

Page 55: ...tions The data on your computer might be deleted during the recovery process To avoid data loss make a backup copy of all the data that you want to keep Restore system files and settings to an earlier point 1 Go to Control Panel and view by large icons or small icons 2 Click Recovery Open System Restore Then follow the on screen instructions Restore your files from a backup Note If you use the Fil...

Page 56: ...overy USB drive as early as possible as a backup for the Windows recovery programs With the recovery USB drive you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs are damaged If you did not create a recovery USB drive as a precautionary measure you can contact Lenovo Customer Support Center and purchase one from Lenovo For a list of the Lenovo Support phone...

Page 57: ...driver by one of the following methods From Lenovo Vantage 1 Open the Start menu and click Lenovo Vantage 2 Click System Update In the Lenovo System Update section click Check For Updates The available update packages are displayed and categorized by critical recommended or optional 3 Select the update packages you want and click Install selected The update packages will be downloaded and installe...

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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: ... themselves 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 ...

Page 61: ...r Description Self service CRU Optional service CRU 1 Computer stand base Yes No 2 Computer stand bar Yes No 3 Computer cover Yes No 4 VESA mount bracket No No Chapter 6 Hardware removal and installation 55 ...

Page 62: ...el No No 19 Power adaptor Yes No 20 Power cord Yes No 21 Mouse Yes No 22 Keyboard Yes No 23 Wi Fi antennas 2 No No 24 LVDS cable No No 25 Backlight cable No No 26 Power button board No No 27 Power button cable No No 28 Storage drive bracket No No 29 Storage drive No Yes 30 Storage drive cable No No 31 Optical drive No No 32 Optical drive cable No No 33 Internal speakers 2 Yes No for selected model...

Page 63: ...y removing or installing hardware Attention Do not open your computer or attempt any repair before reading and understanding the Chapter 2 Important safety information on page 27 External options You can connect external options to your computer such as external speakers a printer or a scanner For some external options you must install additional software in addition to making the physical connect...

Page 64: ...bles 3 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the computer cover is facing up 4 Remove the computer stand 5 Remove the computer stand base 6 Install the computer stand base 7 Install the computer stand 58 Hardware Maintenance Manual ...

Page 65: ...ter is cool Replacement procedure 1 Turn off the computer and remove all connected devices and cables 2 Unlock any locking device that secures the computer cover See Lock the computer on page 30 3 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the computer cover is facing up 4 Remove the ...

Page 66: ...omputer cover 7 Install the computer cover 8 Install the computer cover screw cap 9 Reinstall the computer stand 10 Place the computer in an upright position 11 Reconnect the ac power adapter and all disconnected cables to the computer 60 Hardware Maintenance Manual ...

Page 67: ...you open the computer cover turn off the computer and wait several minutes until the computer is cool Replacement procedure 1 Remove the computer stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Disconnect the internal speaker cable from the system board 4 Remove the internal speakers 5 Install the new internal speakers Chapter 6 Hardware removal and ...

Page 68: ...you start read Chapter 2 Important safety information on page 27 and print the following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speaker...

Page 69: ...ge 27 and print the following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount...

Page 70: ...em board shield 7 Turn over the system board shield Then remove the system fan 8 Install the system fan 9 Turn over the system board Then reconnect the system fan cable to the system board 64 Hardware Maintenance Manual ...

Page 71: ...ter 2 Important safety information on page 27 and print the following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Disconnect the storage drive cable from the storage drive 4 Remove t...

Page 72: ...he following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page ...

Page 73: ...em board 10 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Optical drive Prerequisite Before you start read Chapter 2 Important safety information on page 27 and print the following instructions Chapter 6 Hardware removal and installation 67 ...

Page 74: ...the internal speakers See Internal speakers on page 61 4 Remove the optical drive 5 Install the optical drive 6 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Storage drive bracket Prerequisite Before you start read Chapter 2 Important safety information on page 27 and print ...

Page 75: ... storage drive See Storage drive on page 65 5 Remove the optical drive See Optical drive on page 67 6 Disconnect the optical drive cable from the storage drive bracket 7 Remove the storage drive bracket 8 Install the storage drive bracket 9 Reconnect the optical drive cable to the storage drive bracket 10 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to t...

Page 76: ...on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove the system board shield See System board shield and system fan on page 63 6 Remove the heat sink Notes Carefully loosen the screws from the system board to avoid any possible damage to the system board The screws cannot be removed from the heat sink ...

Page 77: ...instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove t...

Page 78: ...r 2 Important safety information on page 27 and print the following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove...

Page 79: ...Thermal pad on page 71 7 Remove the M 2 solid state drive 8 Install the M 2 solid state drive 9 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Chapter 6 Hardware removal and installation 73 ...

Page 80: ... lasts forever If the coin cell battery fails the date time and configuration information including passwords are lost An error message is displayed when you turn on the computer Replacement procedure 1 Remove the computer stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA m...

Page 81: ...Important safety information on page 27 and print the following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the...

Page 82: ...following instructions 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 stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 ...

Page 83: ... adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Power button board 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: ...kers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove the system board shield See System board shield and system fan on page 63 6 Disconnect the power button cable from the system board 7 Remove the power button board 8 Disconnect the power button cable from the power button board 9 Reconnect the power button cable to the new power button ...

Page 85: ...several minutes until the computer is cool Replacement procedure 1 Remove the computer stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove the system board shield See System board shield and system fan on page 63 6 Disc...

Page 86: ...cement procedure 1 Remove the computer stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove the system board shield See System board shield and system fan on page 63 6 Remove the storage drive See Storage drive on page 6...

Page 87: ... antennas 14 Reconnect the Wi Fi antenna cables to the Wi Fi card 15 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Chapter 6 Hardware removal and installation 81 ...

Page 88: ...l Replacement procedure 1 Remove the computer stand See Computer stand on page 57 2 Remove the computer cover See Computer cover on page 59 3 Remove the internal speakers See Internal speakers on page 61 4 Remove the VESA mount bracket See VESA mount bracket on page 62 5 Remove the system board shield See System board shield and system fan on page 63 6 To get access to the system board remove the ...

Page 89: ... board into the middle frame by aligning the screw holes in the new system board with the corresponding mounting studs on the middle frame 10 Install the screws that secure the system board 11 Reconnect all cables to the system board 12 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Chapter 6 Hardware removal and installation 83 ...

Page 90: ...mputer cover on page 59 3 To get access to the middle frame remove the following parts if any a Internal speakers on page 61 b VESA mount bracket on page 62 c System board shield and system fan on page 63 d Storage drive on page 65 e Storage drive cable on page 66 f Optical drive on page 67 g Storage drive bracket on page 68 h Heat sink on page 70 i Thermal pad on page 71 j M 2 solid state drive o...

Page 91: ...o the LCD panel by aligning the screw holes in the middle frame with the corresponding mounting studs on the LCD panel and then install the screws 7 Reinstall the removed parts Then reconnect the power adapter and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Chapter 6 Hardware removal and installation 85 ...

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Page 93: ...ith 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 di...

Page 94: ...e For the latest information or any questions or comments contact or visit the Lenovo Web site https support lenovo com Trademarks LENOVO and LENOVO 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 VESA is a trademark of the Video Electron...

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