Lenovo ThinkCentre M90q Hardware Maintenance Manual Download Page 98

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Summary of Contents for ThinkCentre M90q

Page 1: ...M90q Hardware Maintenance Manual ...

Page 2: ...Lenovo 2020 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: ...hooting 39 Startup problems 40 Audio problems 41 Network problems 41 Performance problems 44 Storage drive problems 45 CD or DVD problems 45 Serial connector problems 46 USB device problems 46 Software problems 47 Diagnostics 47 Lenovo diagnostic tools 47 UEFI diagnostic program 47 Recovery 48 Restore system files and settings to an earlier point 48 Restore your files from a backup 48 Reset your c...

Page 4: ...Heat sink 84 Microprocessor 85 System board 86 Chapter 7 Notices and trademarks 89 ii M90q 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 ...

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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: ...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 Remember ...

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: ...ulative 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...

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: ...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 turn o...

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 M90q 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: ...êm 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 lig...

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

Page 18: ...1 2 12 M90q Hardware Maintenance Manual ...

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

Page 20: ...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 mod...

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: ...ngen 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 Sig...

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: ...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 M90q Hardware Maintenance Manual ...

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

Page 26: ...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 M90q 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: ...uanto 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 for...

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

Page 30: ...talación 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 se...

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: ...N 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 cab...

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 driv...

Page 34: ...egotiated 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 Special ...

Page 35: ...ter 3 Product overview Front 1 ThinkCentre LED 2 Power button 3 Storage drive activity indicator 4 USB C 3 2 Gen 1 connector 5 Always On USB 3 2 connector Gen 2 6 Headset connector Copyright Lenovo 2020 29 ...

Page 36: ...a slot 4 Ethernet connector 5 USB 3 2 connectors Gen 2 6 USB 3 2 connector Gen 1 with smart power on 7 HDMI 1 4 out connector 8 USB 3 2 connector Gen 1 9 DisplayPort 1 4 out connector 10 Power cord connector for selected models 30 M90q Hardware Maintenance Manual ...

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: ...causes 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 computers If you ...

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: ...35 CPU fan failure System fan failure Power fan failure Front fan failure Rear fan failure Auxiliary fan failure ODD fan failure This error message 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 0162 Setup data integrity check failure This error indicates the checksum of BIOS S...

Page 41: ...erver 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 network administrator of new MAC address Computer will not perform a Wake On LAN if applicable 1 Check the power supply and signal cable connections to the network adapter 2 Ensure that the operating system setti...

Page 42: ...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 Printer 2 System Board Program loads from the hard disk with a known good diagnostics diskette in the first 3 5 inch diskette drive 1 Run the Setup Utility program and check the Startup sequence 2 Diskette Drive 3 Diskette Drive Cable 4 System B...

Page 43: ...f 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 Turn on the computer to retest the system 4 Repeat steps 1 through 3 until you find the failing device or adapter If all devices and adap...

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Page 45: ...rectly 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 experienci...

Page 46: ...m 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 com...

Page 47: ...ts 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 emulatio...

Page 48: ...plex 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 UE...

Page 49: ... 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 or h...

Page 50: ...the 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 s...

Page 51: ...aged 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 to...

Page 52: ...ect 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 Con...

Page 53: ...ngs 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 sectors o...

Page 54: ...pen 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 resett...

Page 55: ...e 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 window follow the on screen instructions to creat...

Page 56: ...upport lenovo 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 scre...

Page 57: ...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 58: ...hemselves 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 se...

Page 59: ... No 17 Rear Wi Fi antenna cable No No 18 Rear Wi Fi antenna Yes No 19 Dust shield Yes No 20 Thumb screw Yes No 21 Hard disk drive cable No No 22 Hard disk drive No Yes 23 Hard disk drive bracket No Yes a Power adapter bracket Yes No b ac power adapter Yes No c Power cord Yes No d Vertical stand Yes No e Keyboard Yes No f Mouse Yes No g VESA mount bracket Yes No h External optical drive box Yes No ...

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Page 61: ...Complementary Metal Oxide Semiconductor Recovery jumper 2 M 2 Wi Fi card slot 3 Microprocessor socket 4 Coin cell battery socket 5 System fan connector 6 Internal speaker connector Chapter 6 Hardware removal and installation 55 ...

Page 62: ...mation on page 1 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 connection When installing an external option see Chapter 3 Product overview on page 29 to identify the required connector Then use the instructions that come with the o...

Page 63: ...3 Remove the power adapter 4 Remove the power cord 5 Install the power cord Chapter 6 Hardware removal and installation 57 ...

Page 64: ...d to the electrical outlet Vertical stand Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Turn off the computer and remove all connected devices 2 Disconnect the computer from ac power and all connected cables 58 M90q Hardware Maintenance Manual ...

Page 65: ...l stand 4 Install the vertical stand 5 Reconnect the external cables to the corresponding connectors on the computer and then reconnect the power cord to the electrical outlet Chapter 6 Hardware removal and installation 59 ...

Page 66: ...m ac power and all connected cables 3 Remove the VESA mount bracket 4 Install the VESA mount bracket 5 Reconnect the external cables to the corresponding connectors on the computer and then reconnect the power cord to the electrical outlet External optical drive box and external optical drive Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the followin...

Page 67: ... the computer and remove all connected devices 2 Disconnect the computer from ac power and all connected cables 3 Remove the external optical drive box 4 Remove the external optical drive Chapter 6 Hardware removal and installation 61 ...

Page 68: ...ernal cables to the corresponding connectors on the computer and then reconnect the power cord to the electrical outlet Power adapter bracket Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions 62 M90q Hardware Maintenance Manual ...

Page 69: ...computer and remove all connected devices 2 Disconnect the computer from ac power and all connected cables 3 Remove the power adapter bracket 4 Remove the power cord 5 Remove the power adapter Chapter 6 Hardware removal and installation 63 ...

Page 70: ...nstall the power cord 8 Install the power adapter bracket 9 Reconnect the external cables to the corresponding connectors on the computer and then reconnect the power cord to the electrical outlet 64 M90q Hardware Maintenance Manual ...

Page 71: ... information on page 1 and print the following instructions Replacement procedure 1 Turn off the computer and remove all connected devices 2 Disconnect the computer from ac power and all connected cables 3 Remove the dust shield Chapter 6 Hardware removal and installation 65 ...

Page 72: ...o the electrical outlet Rear Wi Fi antenna Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Replacement procedure 1 Turn off the computer and remove all connected devices 2 Disconnect the computer from ac power and all connected cables 66 M90q Hardware Maintenance Manual ...

Page 73: ...bles to the corresponding connectors on the computer and then reconnect the power cord to the electrical outlet Computer cover Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Chapter 6 Hardware removal and installation 67 ...

Page 74: ...ee Vertical stand on page 58 5 Remove the VESA mount bracket if any See VESA mount bracket on page 60 6 Remove the external optical drive box and external optical drive if any See External optical drive box and external optical drive on page 60 7 Remove the power adapter bracket if any See Power adapter bracket on page 62 8 Remove the dust shield if any See Dust shield on page 65 9 Remove the rear...

Page 75: ...lace the hard disk drive only for upgrade or repair The hard disk drive is not designed for frequent changes or replacement Before replacing the hard disk drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the hard disk drive Otherwise the hard disk drive might get damaged Do not apply pressure to the hard disk drive Do not make the hard disk drive subj...

Page 76: ...4 Remove the hard disk drive from the bracket 5 Install the hard disk drive into the bracket 70 M90q Hardware Maintenance Manual ...

Page 77: ...aker 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 67 2 Disconnect the internal speaker cable from the internal speaker connector on the system board Chapter 6 Hardware removal and installation 71 ...

Page 78: ... internal speaker cable to the internal speaker connector on the system board 6 Reinstall all removed parts System fan Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions 72 M90q Hardware Maintenance Manual ...

Page 79: ...able to the system fan connector on the system board 7 Reinstall all removed parts Coin cell battery Prerequisite Before you start read Chapter 1 Important safety information on page 1 and print the following instructions Your computer has a special type of memory that maintains the date time and settings for built in features such as parallel connector assignments configurations A coin cell batte...

Page 80: ... is displayed when you turn on the computer Replacement procedure 1 Remove the computer cover See Computer cover on page 67 2 Remove the hard disk drive and hard disk drive bracket if any See Hard disk drive and hard disk drive bracket on page 69 3 Remove the system fan See System fan on page 72 4 Disengage the latch 5 Remove the coin cell battery 6 Install the coin cell battery 74 M90q Hardware M...

Page 81: ...ty and Warranty Guide Wi Fi card and Wi Fi card shield 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 67 2 Remove the hard disk drive and hard disk drive bracket if any See Hard disk drive and hard disk drive bracket on page 69 Chapter 6 Hardware re...

Page 82: ...3 Remove the Wi Fi card shied 4 Disconnect the Wi Fi antennas from the Wi Fi card 5 Remove the Wi Fi card 76 M90q Hardware Maintenance Manual ...

Page 83: ...parts Bottom cover 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 67 2 Turn over the computer so that the bottom cover is facing up Chapter 6 Hardware removal and installation 77 ...

Page 84: ...oved parts Memory module 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 67 2 Remove the Bottom cover See Bottom cover on page 77 3 Disengage the latches 78 M90q Hardware Maintenance Manual ...

Page 85: ...4 Remove the memory module 5 Install the memory module 6 Secure the memory module with the latches Chapter 6 Hardware removal and installation 79 ...

Page 86: ...e drive is not designed for frequent changes or replacement Before replacing the M 2 solid state drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the M 2 solid state drive Otherwise the M 2 solid state drive might get damaged Do not apply pressure to the M 2 solid state drive Do not make the M 2 solid state drive subject to physical shocks or vibratio...

Page 87: ...n on page 1 and print the following instructions Removal steps 1 Remove the computer cover See Computer cover on page 67 2 Remove the hard disk drive if any See Hard disk drive and hard disk drive bracket on page 69 3 Remove the Wi Fi card and Wi Fi card shield See Wi Fi card and Wi Fi card shield on page 75 4 Remove the rear Wi Fi antenna cable Chapter 6 Hardware removal and installation 81 ...

Page 88: ...ctions Removal steps 1 Remove the computer cover See Computer cover on page 67 2 Remove the hard disk drive if any See Hard disk drive and hard disk drive bracket on page 69 3 Remove the Wi Fi card and Wi Fi card shield See Wi Fi card and Wi Fi card shield on page 75 4 Remove the front Wi Fi antenna 82 M90q Hardware Maintenance Manual ...

Page 89: ...the computer cover See Computer cover on page 67 2 Remove the hard disk drive if any See Hard disk drive and hard disk drive bracket on page 69 3 Remove the Wi Fi card and Wi Fi card shield See Wi Fi card and Wi Fi card shield on page 75 4 Remove the rear Wi Fi antenna cable See Rear Wi Fi antenna cable on page 81 Chapter 6 Hardware removal and installation 83 ...

Page 90: ... cover See Computer cover on page 67 2 Remove the hard disk drive if any See Hard disk drive and hard disk drive bracket on page 69 3 Remove the internal speaker if any See Internal speaker on page 71 4 Remove the system fan See System fan on page 72 5 Remove the heat sink Notes Carefully remove the following screws from the system board to avoid any possible damage to the system board The screws ...

Page 91: ...rive and hard disk drive bracket on page 69 3 Remove the internal speaker if any See Internal speaker on page 71 4 Remove the system fan See System fan on page 72 5 Remove the heat sink See Heat sink on page 84 6 Remove the microprocessor Notes Your microprocessor and socket might look different from the one illustrated Touch only the edges of the microprocessor Do not touch the thermal grease on ...

Page 92: ...d microprocessor might be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool Notes Each computer has a unique Vital Product Data VPD code stored in the nonvolatile memory on the system board After you replace the system board the VPD must be updated 86 M90q Hardware Maintenance Manual ...

Page 93: ...rnal speaker on page 71 c System fan on page 72 d Coin cell battery on page 73 e Wi Fi card and Wi Fi card shield on page 75 f Memory module on page 78 g M 2 solid state drive on page 80 h Rear Wi Fi antenna cable on page 81 i Front Wi Fi antenna on page 82 j Antenna bracket on page 83 k Heat sink on page 84 l Microprocessor on page 85 4 Record the cable routing and cable connections and then disc...

Page 94: ...ner in place 2 Note the orientation of the socket cover and install one side of the socket cover into the microprocessor socket Carefully press the other side of the socket cover downward until the socket cover snaps into position Note The microprocessor socket cover might look slightly different from the illustration 3 Carefully check the four corners of the socket cover to ensure that the cover ...

Page 95: ...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 96: ...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 and VESA are trademarks of the Video Electronics...

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