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Contents

About this manual . . . . . . . . . . . . iii

Chapter 1. Important safety
information . . . . . . . . . . . . . . . . 1

General safety .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1
Electrical safety .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  2
Safety inspection guide .  .  .  .  .  .  .  .  .  .  .  .  .  3
Handling electrostatic discharge-sensitive
devices .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  4
Grounding requirements .  .  .  .  .  .  .  .  .  .  .  .  4
Safety notices (multi-lingual translations) .  .  .  .  .  .  4

Chapter 2. Important service
information . . . . . . . . . . . . . . . 27

Strategy for replacing FRUs . . . . . . . . . . 27

Strategy for replacing a hard disk drive or a
solid-state drive .  .  .  .  .  .  .  .  .  .  .  .  .  27
Important notice for replacing a system
board .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  27
How to use error codes .  .  .  .  .  .  .  .  .  .  28

Strategy for replacing FRUs for CTO, special-bid,
and standard models. . . . . . . . . . . . . 28

Product definition . . . . . . . . . . . . 28
FRU identification . . . . . . . . . . . . 28

Chapter 3. Product overview . . . . . 29

Front . . . . . . . . . . . . . . . . . . . 29
Rear . . . . . . . . . . . . . . . . . . . 30

Chapter 4. Service checkout and
symptom-to-FRU index . . . . . . . . 31

Service checkout . . . . . . . . . . . . . . 31

Problem determination tips . . . . . . . . 31

Symptom-to-FRU index

. . . . . . . . . . . 32

Hard disk drive boot error .  .  .  .  .  .  .  .  .  32
Power supply problems .  .  .  .  .  .  .  .  .  .  33
Beep symptoms .  .  .  .  .  .  .  .  .  .  .  .  .  33
POST error codes .  .  .  .  .  .  .  .  .  .  .  .  34
Miscellaneous error conditions .  .  .  .  .  .  .  34
Undetermined problems

. . . . . . . . . 36

Chapter 5. Diagnostics . . . . . . . . 39

Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 39
UEFI diagnostic program . . . . . . . . . . . 39
Lenovo diagnostic tools

. . . . . . . . . . . 40

The Vantage app . . . . . . . . . . . . . . 40
Self-help resources . . . . . . . . . . . . . 40

Chapter 6. Hardware removal and
installation . . . . . . . . . . . . . . . 43

Handling static-sensitive devices .  .  .  .  .  .  .  .  43
Service tool kit .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  43
Major FRUs and CRUs .  .  .  .  .  .  .  .  .  .  .  .  44
System board

. . . . . . . . . . . . . . . 48

Removing and installing hardware

. . . . . . . 49

Computer cover .  .  .  .  .  .  .  .  .  .  .  .  .  49
Optical drive .  .  .  .  .  .  .  .  .  .  .  .  .  .  50
Front bezel .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  51
Primary hard disk drives.  .  .  .  .  .  .  .  .  .  52
Optical drive cage .  .  .  .  .  .  .  .  .  .  .  .  55
Secondary hard disk drives .  .  .  .  .  .  .  .  56
M.2 solid-state drive and heat sink

. . . . . 58

M.2 solid-state drive bracket . . . . . . . . 60
PCI-Express connector cable

. . . . . . . 61

. . . . . . . . . . . . 86

Thermal sensor .  .  .  .  .  .  .  .  .  .  .  .  .  87
Cover presence switch bracket and cable .  .  .  88
Microprocessor .  .  .  .  .  .  .  .  .  .  .  .  .  89
System board .  .  .  .  .  .  .  .  .  .  .  .  .  .  90
VRM heat sink

. . . . . . . . . . . . . 92

Appendix A. Notices and
trademarks . . . . . . . . . . . . . . . 95

Содержание ThinkCentre M90t Gen 3

Страница 1: ...M90t Gen 3 Hardware Maintenance Manual ...

Страница 2: ...Lenovo 2022 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 ...

Страница 3: ...for resolving computer problems 39 UEFI diagnostic program 39 Lenovo diagnostic tools 40 The Vantage app 40 Self help resources 40 Chapter 6 Hardware removal and installation 43 Handling static sensitive devices 43 Service tool kit 43 Major FRUs and CRUs 44 System board 48 Removing and installing hardware 49 Computer cover 49 Optical drive 50 Front bezel 51 Primary hard disk drives 52 Optical driv...

Страница 4: ...ii M90t Gen 3 Hardware Maintenance Manual ...

Страница 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 ...

Страница 6: ...iv M90t Gen 3 Hardware Maintenance Manual ...

Страница 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 ...

Страница 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 The...

Страница 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 ...

Страница 10: ...tive 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 pr...

Страница 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...

Страница 12: ...ducts 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 ...

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

Страница 14: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 1 2 8 M90t Gen 3 Hardware Maintenance Manual ...

Страница 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 ...

Страница 16: ...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 ligar ...

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

Страница 18: ...1 2 12 M90t Gen 3 Hardware Maintenance Manual ...

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

Страница 20: ...tilisez 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...

Страница 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...

Страница 22: ...n 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 Signal...

Страница 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...

Страница 24: ...eben 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 M90t Gen 3 Hardware Maintenance Manual ...

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

Страница 26: ...ERICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione può essere pericolosa Per evitare il rischio di scosse elettriche 20 M90t Gen 3 Hardware Maintenance Manual ...

Страница 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...

Страница 28: ...to 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 fornit...

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

Страница 30: ...ación 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...

Страница 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 ...

Страница 32: ...dopte 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...

Страница 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...

Страница 34: ...e 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 count...

Страница 35: ...or 3 SD card slot 4 Power button 5 Power indicator 6 Storage drive activity indicator 7 ThinkCentre LED 8 Microphone connector 9 Headset connector 10 USB C 3 2 Gen 2 connector 11 USB 3 2 connectors Gen 1 12 USB 3 2 connectors Gen 2 13 Internal speaker for selected models Copyright Lenovo 2022 29 ...

Страница 36: ... USB 3 2 connector Gen 1 with smart power on feature 7 Padlock loop 8 PS 2 mouse connector 9 PS 2 keyboard connector 10 Ethernet connector 11 E lock slots 12 Serial connector 13 Smart cable clip slots 14 PCI Express card area 15 Security lock slot 16 Power cord connector for selected models 30 M90t Gen 3 Hardware Maintenance Manual ...

Страница 37: ...nu 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 is di...

Страница 38: ...ses 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 36 Notes The Symptom to FRU index is not specific to any machine type and are applicable to all computers If you hav...

Страница 39: ...ity 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 POST error codes on page 34 3 short and 1 long beeps DRAM memory error Perform the following actio...

Страница 40: ...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 message is displayed when the memory configuration is change...

Страница 41: ...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...

Страница 42: ...sk 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 Syste...

Страница 43: ...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 Chapter 6 Hardware removal and installation on page 43 Chapter 4 Service checkout and symptom to FRU index 37 ...

Страница 44: ...38 M90t Gen 3 Hardware Maintenance Manual ...

Страница 45: ... and follow the instructions for the type of problem you are experiencing 4 Run the diagnostic program 5 Recover your operating system See Self help resources on page 40 6 If the problem persists contact Lenovo 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 re...

Страница 46: ... is preinstalled on your computer To diagnose problems with the Vantage app 1 Type Vantage in the Windows search box and press Enter 2 Follow the on screen instructions and run a hardware scan If you are unable to isolate and resolve the problem after running the Vantage app save and print the log files created by the program You might need the log files when you speak to a Lenovo technical suppor...

Страница 47: ...de and helpful articles Note The available features vary depending on the computer model Type Vantage in the Windows search box Product documentation Safety and Warranty Guide Generic Safety and Compliance Notices Setup Guide This User Guide Regulatory Notice Go to https pcsupport lenovo com Then follow the on screen instructions to filter out the documentation you want Lenovo Support Web site wit...

Страница 48: ...42 M90t Gen 3 Hardware Maintenance Manual ...

Страница 49: ...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 ...

Страница 50: ...selves 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 servi...

Страница 51: ...n Self service CRU Optional service CRU 1 Computer cover Yes No 2 Thumb screws No No 3 65 watt heat sink and fan assembly No No 4 125 watt heat sink and fan assembly No No Chapter 6 Hardware removal and installation 45 ...

Страница 52: ...phics card holder Yes No 19 Optical drive bracket Yes No 20 Chassis beam No No 21 Storage drive converter Yes No 22 Optical drive cage Yes No 23 Front bezel Yes No 24 Power cord Yes No 25 Keyboard Yes No 26 Mouse Yes No 27 2 5 inch hard disk drive cage Yes No 28 2 5 inch hard disk drive bracket Yes No 29 2 5 inch hard disk drive Yes No 30 3 5 inch primary hard disk drive cage Yes No 31 3 5 inch ha...

Страница 53: ...s 47 Graphics card fan Yes No 48 Memory module Yes No 49 Microprocessor No No 50 System board No No 51 Wi Fi card shield No No 52 Wi Fi card No No 53 VRM heat sink No No 54 Graphics cards Yes No 55 Flexible I O board No No for 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 Hardw...

Страница 54: ...ATA power connectors 15 Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper 16 Auxiliary fan connector 2 17 SATA connectors 18 M 2 solid state drive slots 19 Thermal sensor connector 20 Front USB connector 2 21 M 2 Wi Fi card slot 22 Front USB connector 1 23 Parallel connector 24 Serial COM2 connector 25 Thunderbolt connector 26 PCI Express x1 card slot 27 PCI Express x16 Gen 4 card...

Страница 55: ...uisite Before you start read Generic Safety and Compliance Notices and print the following instructions Before you open the computer cover turn off the computer and wait several minutes until the computer is cool For access do the following 1 Remove any media from the drives and turn off all connected devices and the computer 2 Disconnect all power cords from electrical outlets and disconnect all ...

Страница 56: ...ic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the Computer cover on page 49 2 Disconnect the signal and power cable from the optical drive Removal steps 50 M90t Gen 3 Hardware Maintenance Manual ...

Страница 57: ...you start read Generic Safety and Compliance Notices and print the following instructions For access remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Chapter 6 Hardware removal and installation 51 ...

Страница 58: ...n 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 Replace the internal storage drive only for upgrade or repair The internal storage drive is not designed for frequent changes or replacement 52 M90t Gen 3 Hardware Maintenance Manual ...

Страница 59: ...cloth to absorb physical shocks Removal steps of the 3 5 inch primary hard disk drive and bracket 1 Remove the Computer cover on page 49 2 Disconnect the signal cable and the power cable from the 3 5 inch primary hard disk drive 3 Remove the 3 5 inch primary hard disk drive and bracket Removal steps of the 2 5 inch primary hard disk drive converter and bracket 1 Remove the Computer cover on page 4...

Страница 60: ...54 M90t Gen 3 Hardware Maintenance Manual ...

Страница 61: ...ns For access do the following 1 Remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 2 Disconnect the signal cable and power cable if any from the secondary hard disk drive under the optical drive cage Replacement procedure Chapter 6 Hardware removal and installation 55 ...

Страница 62: ...hanges 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 drive ...

Страница 63: ...Removal steps of the 2 5 inch secondary storage drive bracket and cage Chapter 6 Hardware removal and installation 57 ...

Страница 64: ...propriate handling might cause damage and permanent loss of data When handling the internal storage drive observe the following guidelines Replace the internal storage drive only for upgrade or repair The internal storage drive is not designed for frequent 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 co...

Страница 65: ...s remove the Computer cover on page 49 Removal steps Remove the M 2 solid state drive and the heat sink if any depending on the computer model For computers without the heat sink for the M 2 solid state drive For computers with the heat sink for the M 2 solid state drive do one of the following depending on the computer model Type 1 Chapter 6 Hardware removal and installation 59 ...

Страница 66: ...stalling the M 2 solid state drive and the heat sink M 2 solid state drive bracket Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove these parts in order if any 60 M90t Gen 3 Hardware Maintenance Manual ...

Страница 67: ...print the following instructions For access do the following 1 Remove the Computer cover on page 49 2 Disconnect the PCI Express connector cable from the system board Removal steps PCI Express card Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove the Computer cover on page 49 Chapter 6 Hardware removal and installation ...

Страница 68: ... PCI Express card remove any PCI Express connector cables that impede the installation See PCI Express connector cable on page 61 Graphics card fan Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove the Computer cover on page 49 Replacement procedure 62 M90t Gen 3 Hardware Maintenance Manual ...

Страница 69: ...erequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove the Computer cover on page 49 Replacement procedure Chapter 6 Hardware removal and installation 63 ...

Страница 70: ...ics card secured with a plastic holder and a bracket For access do the following 1 Remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Optical drive cage on page 55 Graphics card fan on page 62 Graphics card holder on page 63 2 Disconnect the power cable if any from the graphics card 64 M90t Gen 3 Hardware Maintenance Manual ...

Страница 71: ...Chapter 6 Hardware removal and installation 65 ...

Страница 72: ...red with a plastic holder For access do the following 1 Remove these parts in order if any Computer cover on page 49 Graphics card holder on page 63 2 Disconnect the power cable if any from the graphics card 66 M90t Gen 3 Hardware Maintenance Manual ...

Страница 73: ...quisite Before you start read Generic Safety and Compliance Notices and print the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration For access remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Chapter 6 Hardware removal and installation 67 ...

Страница 74: ...llowing guidelines Replace the internal storage drive only for upgrade or repair The internal storage drive is not designed for frequent 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...

Страница 75: ...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 There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician For access do th...

Страница 76: ...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 To dispose of the coin cell battery refer to the Lithium coin cell batte...

Страница 77: ...re you start read Generic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the Computer cover on page 49 2 Disconnect the E lock cable from the system board Note To remove the screws you need a special tool T15 star wrench Removal steps Chapter 6 Hardware removal and installation 71 ...

Страница 78: ...f 65 watt heat sink and fan assembly 1 Follow the following sequence to loosen the four screws that secure the heat sink and fan assembly to the system board Then lift the heat sink and fan assembly off the system board Partially loosen screw 1a fully loosen screw 1b and then fully loosen screw 1a Partially loosen screw 1c fully loosen screw 1d and then fully loosen screw 1c Notes Carefully loosen...

Страница 79: ...Do not over tighten the screws Partially tighten screw 2a fully tighten screw 2b and then fully tighten screw 2a Partially tighten screw 2c fully tighten screw 2d and then fully tighten screw 2c Notes Apply appropriate amount of thermal grease to the new heat sink and fan assembly Ensure that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board Chapte...

Страница 80: ...2a Partially loosen screw 2c fully loosen screw 2d and then fully loosen screw 2c Notes Carefully loosen the four screws to avoid any possible damage to the system board The four screws cannot be removed from the heat sink and fan assembly You might have to gently twist the heat sink and fan assembly to free it from the microprocessor Do not touch the thermal grease while handling the heat sink an...

Страница 81: ...the chassis Partially tighten screw 2a fully tighten screw 2b and then fully tighten screw 2a Partially tighten screw 2c fully tighten screw 2d and then fully tighten screw 2c Notes Apply appropriate amount of thermal grease to the new heat sink and fan assembly Ensure that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board In case you need to insta...

Страница 82: ...tions For access remove these FRUs in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Optical drive cage on page 55 Graphics card fan on page 62 Graphics card holder on page 63 Graphics card on page 64 125 watt heat sink and fan assembly 76 M90t Gen 3 Hardware Maintenance Manual ...

Страница 83: ...Replacement procedure Chapter 6 Hardware removal and installation 77 ...

Страница 84: ...lowing instructions For access do the following 1 Remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Optical drive cage on page 55 2 Disconnect the power button cable from the system board 3 Disconnect the card reader cable from the card reader 78 M90t Gen 3 Hardware Maintenance Manual ...

Страница 85: ...Removal steps Chapter 6 Hardware removal and installation 79 ...

Страница 86: ...any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Optical drive cage on page 55 2 Disconnect the internal speaker cable from the system board Removal steps Wi Fi card Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove Computer cover on page 49 80 M90t Gen 3 Hardware Maintenance Manual ...

Страница 87: ...he connector labeled MAIN Front Wi Fi antenna Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Replacement procedure Chapter 6 Hardware removal and installation 81 ...

Страница 88: ...a Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove Computer cover on page 49 Replacement procedure 82 M90t Gen 3 Hardware Maintenance Manual ...

Страница 89: ...Front fan Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following Chapter 6 Hardware removal and installation 83 ...

Страница 90: ...l drive on page 50 Front bezel on page 51 2 Disconnect the front fan cable from the system board Removal steps Rear fan Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions 84 M90t Gen 3 Hardware Maintenance Manual ...

Страница 91: ... rear fan cable from the system board Replacement procedure Flexible I O board Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access remove these parts in order if any Chapter 6 Hardware removal and installation 85 ...

Страница 92: ... Safety and Compliance Notices and print the following instructions For access do the following 1 Remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Optical drive cage on page 55 2 Disconnect the ThinkCentre LED cable from the system board 86 M90t Gen 3 Hardware Maintenance Manual ...

Страница 93: ...ce Notices and print the following instructions For access do the following 1 Remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 2 Disconnect the thermal sensor cable from the system board Chapter 6 Hardware removal and installation 87 ...

Страница 94: ...Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove Computer cover on page 49 2 Disconnect the cover presence switch cable from the system board 88 M90t Gen 3 Hardware Maintenance Manual ...

Страница 95: ...til the computer is cool For access remove these parts in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Optical drive cage on page 55 Heat sink and fan assembly on page 72 Notes Touch only the edges of the microprocessor Do not touch the gold contacts on the bottom Do not drop anything onto the microprocessor socket while it is exposed The socket pins must ...

Страница 96: ...minutes until the computer is cool Notes Your microprocessor sockets and socket covers might look slightly different from the illustrations in this topic Do not touch the pins on the microprocessor socket or the gold contacts on the microprocessor For access do the following 1 Remove these FRUs in order if any Computer cover on page 49 Optical drive on page 50 Front bezel on page 51 Primary hard d...

Страница 97: ... Memory module on page 67 Coin cell battery on page 70 E lock on page 71 Front I O bracket power button cable and card reader on page 78 Internal speaker on page 80 Wi Fi card on page 80 Front fan on page 83 Rear fan on page 84 Flexible I O board on page 85 Cover presence switch bracket and cable on page 88 Microprocessor on page 89 2 Record the cable routing and cable connections and then disconn...

Страница 98: ...oprocessor socket cover might look slightly different from the illustration 3 Carefully check the four corners of the socket cover to ensure that the cover is seated securely 4 Follow any additional instructions that are included with the replacement part you received VRM heat sink Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions The hea...

Страница 99: ...e 71 Front I O bracket power button cable and card reader on page 78 Internal speaker on page 80 Wi Fi card on page 80 Front fan on page 83 Rear fan on page 84 Flexible I O board on page 85 Cover presence switch bracket and cable on page 88 Microprocessor on page 89 System board on page 90 2 Turn over the system board Replacement procedure Chapter 6 Hardware removal and installation 93 ...

Страница 100: ...94 M90t Gen 3 Hardware Maintenance Manual ...

Страница 101: ...ht to improve and or modify the products and software programs described in the manuals included with 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 configura...

Страница 102: ...e 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 Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U S and or other countries Microsoft Windows and Cortana are tra...

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