Lenovo V55t Gen 2 Hardware Maintenance Manual Download

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System board

4-pin power connector

Microprocessor fan connector

Memory slot (DIMM2)

Memory slot (DIMM4)

Power button connector

Internal speaker connector

10-pin power connector

4-pin SATA power connectors

Auxiliary fan connector

SATA 3.0 connectors

M.2 solid-state drive slot

M.2 Wi-Fi card slot

Clear CMOS /Recovery jumper

Thermal sensor connector

Dot LED

Front USB connector

Serial connector*

Parallel connector

Coin-cell battery

PCI Express x1 card slot

PCI Express x16 graphics card slot

System fan connector

Cover presence switch connector

Microprocessor socket

Removing and installing hardware

This section provides instructions on how to remove and install hardware for your computer. You can expand
the capabilities of your computer and maintain your computer by removing or installing hardware.

Chapter 6

Hardware removal and installation

Summary of Contents for V55t Gen 2

Page 1: ...Lenovo V55t Gen 2 Hardware Maintenance Manual ...

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

Page 3: ...udio 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 The Vantage app 48 Recovery 48 Restore system files and settings to an earlier point 48 Restore your files from a backup 48 Reset your computer 48 Us...

Page 4: ...System board 79 Notices and trademarks 1 ii Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 5: ...his manual along with the advanced diagnostic tests to troubleshoot problems Important This manual is intended only for trained service technicians who are familiar with Lenovo computers Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a Lenovo computer be sure to read and understand Chapter 1 Important safety information on page 1 ...

Page 6: ......

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: ...sition 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 There ...

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: ... 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 protec...

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: ...ts 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 the...

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 Lenovo V55t Gen 2 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: ...do 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 des...

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

Page 18: ...1 2 12 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

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

Page 20: ...sez 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 sau...

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: ...nliegen 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 Signalkab...

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: ...n 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 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

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

Page 26: ...OLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione può essere pericolosa Per evitare il rischio di scosse elettriche 20 Lenovo V55t Gen 2 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: ...egue Aprendo l unità vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici ed evitare l esposizione al fascio 18 kg 32 kg 55 kg ATTENZIONE Prestare attenzione nel sollevare l apparecchiatura ATTENZIONE Il pulsante di controllo dell alimentazione presente sull unità e l interruttore dell alimentatore non disattivano l alimentazione corrente fornita al...

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

Page 30: ...ón 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 24...

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: ...te 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 de...

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

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

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

Page 36: ... VGA out connector 4 Ethernet connector 5 USB 2 0 connectors 6 Power cord connector 7 Smart cable clip slots 8 Serial connector 9 PCI Express card area 10 Padlock loop 11 Security lock slot for selected models 30 Lenovo V55t Gen 2 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: ... 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 have b...

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: ... error message Description Action 0135 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 0162 Setup data integrity check failure This error indicates the checksum of BIOS Setup data in NVRAM is bad In BIOS Setup the Save ...

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: ...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 Board 5...

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

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

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: ...art 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 i...

Page 51: ...ged 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 top...

Page 52: ...e power cord to a grounded electrical outlet Turn on the serial device and keep the device online Install any programs supplied with the serial device Refer to the documentation that comes with the serial device for more information If you added one serial connector adapter ensure that the adapter is installed correctly USB device problems Problem Solution A USB device cannot be accessed Connect t...

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: ...s section introduces the recovery information of the Windows 10 operating system Ensure that you read and follow the on screen recovery instructions 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 s...

Page 55: ...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 numbers for your country or region go to https pcsupport lenovo com supportphonelist Create a recovery USB drive Attention The creation process deletes anything stored on the USB drive To avoid data loss make a back...

Page 56: ...From the Vantage app Open the Vantage app to check the available update packages If the latest UEFI BIOS update package is available follow the on screen instructions to download and install the package From the Lenovo Support Web site Go to https pcsupport lenovo com and select the entry for your computer Then follow the on screen instructions to download and install necessary drivers and softwar...

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

Page 59: ...tical drive cable No No 16 Internal speaker No No 17 Optical drive bracket Yes No 18 Optical drive Yes No 19 Front bezel Yes No 20 Front fan No No 21 Power cord Yes No 22 Mouse Yes No 23 Keyboard Yes No 24 Rear fan No No 25 Hard disk drive Yes No 26 Rear Wi Fi antenna and cable No No 27 Rear Wi Fi antenna cover No No 28 Chassis No No 29 Heat sink for the M 2 solid state drive Yes No 30 M 2 solid s...

Page 60: ...For detailed FRU and CRU information such as the FRU part numbers and supported computer models go to http www lenovo com serviceparts lookup 54 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 61: ...Thermal sensor connector 15 Dot LED 16 Front USB connector 17 Serial connector 18 Parallel connector 19 Coin cell battery 20 PCI Express x1 card slot 21 PCI Express x16 graphics card slot 22 System fan connector 23 Cover presence switch connector 24 Microprocessor socket Removing and installing hardware This section provides instructions on how to remove and install hardware for your computer You ...

Page 62: ...hen use the instructions that come with the option to help you make the connection and install any required software or device drivers Computer cover Prerequisite Before you start read 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 T...

Page 63: ...he following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 Replacing steps Optical drive Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions Chapter 6 Hardware removal and installation 57 ...

Page 64: ...nd the power cable from the optical drive Removal steps Drive bay assembly Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 58 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 65: ...ata 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 on a soft material such as cloth to absorb physical shocks For access do the following 1 Remove t...

Page 66: ...fore 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 60 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 67: ...ove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 Replacement steps Chapter 6 Hardware removal and installation 61 ...

Page 68: ...Coin cell battery Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions 62 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 69: ...ium coin cell battery notice in the Safety and Warranty Guide For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 Removal steps Note After installing a new coin cell battery reset the system date and time in the UEFI BIOS menu PCI Express card Prer...

Page 70: ... until the computer is cool Attention The M 2 solid state drive is sensitive Inappropriate handling might cause damage and permanent loss of data When handling the M 2 solid state drive observe the following guidelines Replace the M 2 solid state drive only for upgrade or repair The M 2 solid state drive is not designed for frequent changes or replacement Before replacing the M 2 solid state drive...

Page 71: ...puter cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 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 de...

Page 72: ... Type 2 Type 3 66 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 73: ...ompliance Notices and print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Remove the drive bay assembly See M 2 solid state drive and heat sink on page 64 Removal steps Chapter 6 Hardware removal and installation ...

Page 74: ...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 the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the...

Page 75: ...t the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 Removal steps Chapter 6 Hardware removal and installation 69 ...

Page 76: ...assembly See Drive bay assembly on page 58 4 Disconnect the internal speaker cable from the system board Removal steps Thermal sensor Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Disconnect the t...

Page 77: ...tions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Disconnect the front fan cable from the system board Replacement steps Chapter 6 Hardware removal and installation 71 ...

Page 78: ...r access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Disconnect the rear fan cable from the system board Replacement steps 72 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 79: ...emove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Disconnect the front Wi Fi antenna cable from the Wi Fi card See Wi Fi card on page 69 Removal steps Rear Wi Fi antenna and cable Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following Chapter 6 Hardw...

Page 80: ...ntenna cable from the Wi Fi card See Wi Fi card on page 69 Removal steps Cover presence switch Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Disconnect the cover presence switch cable from the system board 74 Lenovo V55t Gen 2 Hardware Maintenance ...

Page 81: ...ing instructions For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Disconnect the card reader cable from the system board Replacement steps Chapter 6 Hardware removal and installation 75 ...

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Page 83: ...er cover turn off the computer and wait several minutes until the computer is cool For access do the following 1 Remove the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Disconnect the microprocessor fan cable from the system board Chapter 6 Hardware removal and installation 77 ...

Page 84: ...move the computer cover See Computer cover on page 56 2 Remove the front bezel See Front bezel on page 57 3 Remove the drive bay assembly See Drive bay assembly on page 58 4 Remove the heat sink and fan assembly See Heat sink and fan assembly on page 77 Replacement steps Notes Touch only the edges of the microprocessor Do not touch the gold contacts on the bottom Do not drop anything onto the micr...

Page 85: ...emove the front bezel See Front bezel on page 57 c Remove the drive bay assembly See Drive bay assembly on page 58 d Front I O bracket and card reader on page 75 e Memory module on page 60 f Heat sink and fan assembly on page 77 g Microprocessor on page 78 h Front fan on page 71 i Rear fan on page 72 j Front I O bracket and card reader on page 75 k Wi Fi card on page 69 l PCI Express card on page ...

Page 86: ... 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 Removal steps 80 Lenovo V55t Gen 2 Hardware Maintenance Manual ...

Page 87: ... 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 distributo...

Page 88: ...his 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 and LENOVO logo are trademarks of Lenovo Microsoft Windows and Cortana are trademarks of the Microsoft group of companies The terms HDMI and HDMI High Definition Multimedia Interface are trademarks or registered trademarks...

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