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POST error codes

Each time you turn on the system, it performs a series of tests that check the operation of the system and
some options. This series of tests are called the

Power-On Self-Test

, or

POST

. POST checks the following

operations:

• Some basic system-board operations

• Memory operation

• Video operation

• Whether the boot drive is working

If the POST detects a problem, an error message appears on the screen. A single problem might cause
several error messages to appear. When you correct the cause of the first error message, the other error
messages probably will not appear on the screen the next time.

Error code

POST 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
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 size is
changed.

Press F10 to exit.

1762

Storage device configuration change
has occurred

This error message is displayed
when a hard disk drive change or
an optical drive change has been
made.

Press F10 to exit.

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V50t Gen 2 Hardware Maintenance Manual

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Содержание V50t Gen 2

Страница 1: ...V50t Gen 2 Hardware Maintenance Manual ...

Страница 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 ...

Страница 3: ...hooting and diagnostics 39 Basic procedure for resolving computer problems 39 Troubleshooting 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 The Vantage app 48 Chapter 6 Ha...

Страница 4: ...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 ...

Страница 5: ... 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 6: ...lectrical 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 must be a complete circuit to cause electrical shock By ob...

Страница 7: ...ltage 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 the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off ...

Страница 8: ... 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 protect against ESD damage Attach the ESD ground clip to any ...

Страница 9: ...nnect 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 connectors 4 Re...

Страница 10: ...s 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 ...

Страница 11: ...Chapter 1 Important safety information 7 ...

Страница 12: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 1 2 8 V50t Gen 2 Hardware Maintenance Manual ...

Страница 13: ...onecte 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 ...

Страница 14: ...ontêm diodo de laser integrado da Classe 3A ou da Classe 3B Observe o seguinte Radiação a laser quando aberto Não olhe diretamente para o feixe a olho nu ou com instrumentos ópticos e evite exposição direta ao feixe 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb CUIDADO Utilize procedimentos de segurança para levantar equipamentos CUIDADO O botão de controle de alimentação do dispositivo e o botão para ...

Страница 15: ...Chapter 1 Important safety information 11 ...

Страница 16: ...1 2 12 V50t Gen 2 Hardware Maintenance Manual ...

Страница 17: ...Chapter 1 Important safety information 13 ...

Страница 18: ...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 19: ...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 20: ... Datenleitungen können gefährliche Spannungen 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 ge...

Страница 21: ...en Buchsen 4 Ziehen Sie alle Kabel von den Einheiten ab CAUTION Eine verbrauchte Lithiumbatterie 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 unsach...

Страница 22: ... kg ACHTUNG Arbeitsschutzrichtlinien beim 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 V50...

Страница 23: ...Chapter 1 Important safety information 19 ...

Страница 24: ...1 2 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione può essere pericolosa 20 V50t Gen 2 Hardware Maintenance Manual ...

Страница 25: ...to prodotto o delle unità collegate Per collegarsi Per scollegarsi 1 SPEGNERE le apparecchiature 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 Rimuo...

Страница 26: ...engono un diodo laser di Classe 3A o Classe 3B Tener presente quanto segue Aprendo l unità vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici ed evitare l esposizione al fascio 18 kg 32 kg 55 kg ATTENZIONE Prestare attenzione nel sollevare l apparecchiatura ATTENZIONE Il pulsante di controllo dell alimentazione presente sull unità e l interruttore...

Страница 27: ...Chapter 1 Important safety information 23 ...

Страница 28: ...ar el riesgo de descarga eléctrica No conecte ni desconecte los cables ni realice ninguna tarea de instalación mantenimiento o reconfiguración de este producto durante una tormenta eléctrica Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y conectadas a tierra 24 V50t Gen 2 Hardware Maintenance Manual ...

Страница 29: ...tomas de corriente 3 Desconecte los cables de señal de los conectores 4 Desconecte todos los cables de los dispositivos 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 mi...

Страница 30: ...ÓN 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 ca...

Страница 31: ... 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 32: ...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 33: ... 2 Optical drive activity indicator 3 Internal speaker 4 Power button 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 ...

Страница 34: ...hernet connector 7 USB 2 0 connectors 8 USB 2 0 connector with smart power on feature 9 Power cord connector 10 Smart cable clip slots 11 PS 2 mouse connector 12 PS 2 keyboard connector 13 Serial connector 14 PCI Express card area 15 Padlock loop 16 Security lock slot for selected models 30 V50t Gen 2 Hardware Maintenance Manual ...

Страница 35: ...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 ...

Страница 36: ...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 37 Notes The Symptom to FRU index is not specific to any machine type and are applicable to all computers If you hav...

Страница 37: ... 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...

Страница 38: ...POST 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 S...

Страница 39: ... Switch 2 System Board 3 Riser card if installed Computer will not RPL from server 1 Ensure that the network is in startup sequence as the first device or the first device after diskette 2 Ensure that the network adapter is enabled for RPL 3 Network adapter Advise network administrator of new MAC address Computer will not perform a Wake On LAN if applicable 1 Check the power supply and signal cabl...

Страница 40: ...3 Diskette Drive Cable Other display symptoms not listed above including blank or illegible display 1 Display 2 System Board Power on indicator or hard disk drive in use light not on but computer works correctly 1 Power switch LED assembly 2 System Board Printer problems 1 Printer 2 System Board Program loads from the hard disk with a known good diagnostics diskette in the first 3 5 inch diskette ...

Страница 41: ...tructions on how to find out the failing devices or adapters 1 Turn off the computer 2 Remove or disconnect the following components if installed one at a time a External devices modem printer or mouse b Any adapters c Memory modules d Extended video memory e External Cache f External Cache RAM g Hard disk drive h Diskette drive 3 Turn on the computer to retest the system 4 Repeat steps 1 through ...

Страница 42: ...38 V50t Gen 2 Hardware Maintenance Manual ...

Страница 43: ...ave been reassembled correctly 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 on page and follow the instructions for the type of problem you are exper...

Страница 44: ...he 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 comput...

Страница 45: ... slots the audio function built into the system board is disabled Therefore you must use the audio connectors on the audio adapter Ensure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature The program must be configured to use SoundBlaster Pro or SoundBlaster emul...

Страница 46: ...x mode might degrade performance cause data loss or result in lost connections When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps the Ethernet LAN connection fails or errors occur Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE T hub switch not 100 BASE X The Wake On LAN WOL feature does not work Enable the Wake On LAN feature in UEFI ...

Страница 47: ... and then click Enable device 4 Expand Network adapters to display all network devices Right click each Bluetooth device and then click Enable device Turn on the Bluetooth radio 1 Open the Start menu 2 Click Settings Devices Bluetooth other devices 3 Turn on the Bluetooth switch to enable the Bluetooth feature Update or reinstall the Bluetooth driver Sound does not come from the Bluetooth headset ...

Страница 48: ... 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 smal...

Страница 49: ...damaged Try inserting another disc that you know works If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem A bootable recovery medium such as the Product Recovery CD cannot be used to start your computer Ensure that the CD or DVD drive is set as the...

Страница 50: ... 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 Connec...

Страница 51: ...ettings that interfere with the correct operation of your computer Lenovo diagnostic tools For information about Lenovo diagnostic tools go to https pcsupport lenovo com lenovodiagnosticsolutions UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer It enables you to test memory modules and internal storage devices view system information and check and recover bad secto...

Страница 52: ...agnostic program version preinstalled on the computer The Vantage app The Vantage app 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...

Страница 53: ...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 54: ...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 55: ...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 Power supply assembly No Yes 30 PCI Express card Yes No 31 Rear I O...

Страница 56: ...http www lenovo com serviceparts lookup 52 V50t Gen 2 Hardware Maintenance Manual ...

Страница 57: ... slot 18 Serial connector 19 Parallel connector 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 can expand the capabilities of your computer and maintain your computer by...

Страница 58: ...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 Turn off the computer and remove all connected devices and cables 2 Disconnect all power cords from electrical outlets and disconnect all cables ...

Страница 59: ...ric Safety and Compliance Notices and print the following instructions For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Disconnect the signal cable and the power cable from the optical drive Chapter 6 Hardware removal and installation 55 ...

Страница 60: ...rt 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 54 2 Remove the front bezel See Front bezel on page 54 56 V50t Gen 2 Hardware Maintenance Manual ...

Страница 61: ...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...

Страница 62: ...nt the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 58 V50t Gen 2 Hardware Maintenance Manual ...

Страница 63: ...3 Remove the drive bay assembly See Drive bay assembly on page 56 Replacement steps Chapter 6 Hardware removal and installation 59 ...

Страница 64: ...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 battery notice in the Safety and Warranty Guide For access do the following 1 Remove the computer cover S...

Страница 65: ...ructions For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 Removal steps Note If the card is held in place by a retaining latch press the latch as shown to disengage the latch Then gently remove the card from the slot Chapter 6 Hardware removal a...

Страница 66: ... 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 vibration Put the M 2 solid state d...

Страница 67: ...om hazardous moving parts If you suffer an injury seek medical care immediately Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service t...

Страница 68: ...ard Removal steps Wi Fi card 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 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 64 V50t Gen 2 Hardware Maintenance Manual ...

Страница 69: ...g instructions For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the internal speaker cable from the system board Chapter 6 Hardware removal and installation 65 ...

Страница 70: ...e following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Disconnect the thermal sensor cable from the system board Removal steps Front fan Prerequisite Before you start read Generic Safety and Compliance Notices and print the following instructions 66 V50t Gen 2 Hardware Maintenance Manual ...

Страница 71: ...tem board Replacement steps Rear fan 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 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the rear fan cable from the system b...

Страница 72: ...instructions For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the front Wi Fi antenna cable from the Wi Fi card See Wi Fi card on page 64 68 V50t Gen 2 Hardware Maintenance Manual ...

Страница 73: ... For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the rear Wi Fi antenna cable from the Wi Fi card See Wi Fi card on page 64 Removal steps Chapter 6 Hardware removal and installation 69 ...

Страница 74: ...puter cover See Computer cover on page 54 2 Disconnect the cover presence switch cable from the system board Removal steps Front I O bracket 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 54 70 V50t Gen 2 Hardware Maintenance Manual ...

Страница 75: ...2 Disconnect the cover presence switch cable from the system board Replacement steps Chapter 6 Hardware removal and installation 71 ...

Страница 76: ...72 V50t Gen 2 Hardware Maintenance Manual ...

Страница 77: ... For access do the following 1 Remove the computer cover See Computer cover on page 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the card reader cable from the system board Removal steps Chapter 6 Hardware removal and installation 73 ...

Страница 78: ...r 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 54 2 Remove the front bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Disconnect the microprocessor fan cable from the system board Replacement steps 74 V50t Gen 2 Hardware Maintenance Man...

Страница 79: ...ont bezel See Front bezel on page 54 3 Remove the drive bay assembly See Drive bay assembly on page 56 4 Remove the heat sink and fan assembly See Heat sink and fan assembly on page 74 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 microprocessor socket while it is exposed The socket pins must be kept as...

Страница 80: ...and fan assembly on page 74 g Microprocessor on page 75 h Front fan on page 66 i Rear fan on page 67 j Card reader on page 73 k Wi Fi card on page 64 l PCI Express card on page 61 m M 2 solid state drive on page 62 2 Record the cable routing and cable connections and then disconnect all cables from the system board See System board on page 53 Notes Your microprocessor sockets and socket covers mig...

Страница 81: ...etainer 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 co...

Страница 82: ...78 V50t Gen 2 Hardware Maintenance Manual ...

Страница 83: ...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...

Страница 84: ...e https pcsupport lenovo com Trademarks LENOVO and LENOVO logo are trademarks of Lenovo Intel Intel SpeedStep Optane and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U S and or other countries Microsoft Windows Direct3D BitLocker and Cortana are trademarks of the Microsoft group of companies Mini DisplayPort mDP DisplayPort and VESA are trademarks of the Video Electro...

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