Lenovo V30a 24IIL Hardware Maintenance Manual
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Lenovo V30a 24IIL Hardware Maintenance Manual

Lenovo V30a 24IIL Hardware Maintenance Manual

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Summary of Contents for Lenovo V30a 24IIL

  • Page 1 Hardware Maintenance Manual...
  • Page 2 Fourth Edition (January 2021) © Copyright 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-...

  • Page 3: Table Of Contents

    ....4 Lenovo diagnostic tools ..Grounding requirements ... . 4 UEFI diagnostic program .
  • Page 4 Chapter 7. Notices and Front bezel and LCD panel..trademarks ....91 Hardware Maintenance Manual...
  • Page 5 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with Lenovo computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.

  • Page 7: Chapter 1. Important Safety Information

    Avoid contact with hot components inside the computer. During operation, some components become hot enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and wait approximately 10 minutes for the components to cool. © Copyright Lenovo 2021...

  • Page 8: Electrical Safety

    Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures.

  • Page 9: Safety Inspection Guide

    • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) •...

  • Page 10: Handling Electrostatic Discharge-Sensitive Devices

    8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
  • Page 11 • Italian • Korean • Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. •...
  • Page 12 CAUTION: When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or transmitters) are installed, note the following: • Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device. •...
  • Page 13 Chapter 1 Important safety information...
  • Page 14 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) Hardware Maintenance Manual...
  • Page 15 PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Para evitar risco de choque elétrico: • Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. •...
  • Page 16 Quando produtos a laser (como unidades de CD-ROMs, unidades de DVD-ROM, dispositivos de fibra ótica ou transmissores) estiverem instalados, observe o seguinte: • Não remova as tampas. A remoção das tampas de um produto a laser pode resultar em exposição prejudicial à...
  • Page 17 Chapter 1 Important safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Important safety information...
  • Page 20 DANGER Le courant électrique provenant de l'alimentation, du téléphone et des câbles de transmission peut présenter un danger. Pour éviter tout risque de choc électrique : • Ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage.
  • Page 21 Connexion Déconnexion 1. Mettez les unités HORS TENSION. 1. Mettez les unités HORS TENSION. 2. Commencez par brancher tous les cordons sur les 2. Débranchez les cordons d'alimentation des prises. unités. 3. Débranchez les câbles d'interface des connecteurs. 3. Branchez les câbles d'interface sur des 4.
  • Page 22 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) ATTENTION: Soulevez la machine avec précaution. ATTENTION: L'interrupteur de contrôle d'alimentation de l'unité et l'interrupteur dubloc d'alimentation ne coupent pas le courant électrique alimentantl'unité. En outre, le système peut être équipé de plusieurs cordonsd'alimentation.
  • Page 23 • Die Verbindung zu den angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des Gehäuses zu unterbrechen, sofern in den Installations- und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind. • Zum Installieren, Transportieren und Öffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemäß...
  • Page 24 Laserstrahlung bei geöffneter Verkleidung. Nicht in den Strahl blicken. Keine Lupen oder Spiegel verwenden. Strahlungsbereich meiden. ≥18 kg ≥32 kg ≥55 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.
  • Page 25 Chapter 1 Important safety information...
  • Page 26 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Per evitare il rischio di scosse elettriche: Hardware Maintenance Manual...
  • Page 27 • Non collegare o scollegare qualsiasi cavo oppure effettuare l'installazione, la manutenzione o la riconfigurazione del prodotto durante un temporale. • Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra. • Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto.
  • Page 28 • Non rimuovere gli sportelli. L'apertura di un'unità laser può determinare l'esposizione a radiazioni laser pericolose. All'interno dell'unità non vi sono parti su cui effettuare l'assistenza tecnica. • L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose.
  • Page 29 Chapter 1 Important safety information...
  • Page 30 PELIGRO La corriente eléctrica procedente de cables de alimentación, teléfonos y cables de comunicación puede ser peligrosa. Para evitar 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. •...
  • Page 31 • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. • Desconecte los cables de alimentación, los sistemas de telecomunicaciones, las redes y los módems conectados antes de abrir las cubiertas de los dispositivos, a menos que se indique lo contrario en los procedimientos de instalación y configuración.
  • Page 32 Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B. Tenga en cuenta lo siguiente: Cuando se abre, queda expuesto a radiación láser. No mire directamente al rayo láser, ni siquiera con instrumentos ópticos, y evite exponerse directamente al rayo láser. ≥18 kg ≥32 kg ≥55 kg...

  • Page 33: Chapter 2. Important Service Information

    • Do not drop a system board or apply any excessive force to it. • Avoid rough handling of any kind. • Avoid bending a system board and hard pushing to prevent cracking at each Ball Grid Array (BGA) chipset. © Copyright Lenovo 2021...

  • Page 34: How To Use Error Codes

    Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

  • Page 35: Chapter 3. Product Overview

    7. Power button 8. Internal speakers 9. Headset connector 10. SD-card slot 12. USB 2.0 connectors USB 3.2 connector Gen 1 (Lenovo V30a 22IIL, Lenovo V30a 24IIL) USB 3.2 connector Gen 2 (Lenovo V30a-22IML, Lenovo V30a-24IML * for selected models...

  • Page 36: Rear

    (using Cleat™ locking technology). You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo.

  • Page 37: Chapter 4. Service Checkout And Symptom-To-Fru Index

    • Machine type and model • Processor or hard disk drive upgrades • Failure symptom – Do diagnostics indicate a failure? – What, when, where, single, or multiple systems? – Is the failure repeatable? – Has this configuration ever worked? © Copyright Lenovo 2021...

  • Page 38: Symptom-To-Fru Index

    “Undetermined problems” on page 37. Notes: • The Symptom-to-FRU index is not specific to any machine type and are applicable to all Lenovo computers. • If you have both an error message and an incorrect audio response, diagnose the error message first.

  • Page 39: Power Supply Problems

    Error FRU/Action The boot sector on the startup drive is corrupted. The drive must be formatted. Do the following: 1. Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive.

  • Page 40: Post Error Codes

    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: •...

  • Page 41: Miscellaneous Error Conditions

    8998 Not enough shadow RAM resources This error message is displayed for OPTION ROM, not all devices when the shadow RAM resources initialized. Suggest to remove some for option ROM are insufficient. add-on cards, or change to UEFI If the legacy option ROM is mode in BIOS setup.
  • Page 42 Message/Symptom FRU/Action Incorrect memory size during POST 1. Run the Memory tests. 2. Memory Module 3. System Board "Insert a Diskette" icon appears with a known-good 1. System Board diagnostics diskette in the first 3.5-inch diskette drive. 2. Diskette Drive Cable 3.

  • Page 43: Undetermined Problems

    Message/Symptom FRU/Action Serial or parallel connector device failure (adapter 1. External Device Self-Test OK? connector) 2. External Device 3. Cable 4. Alternate Adapter 5. System Board Some or all keys on the keyboard do not work 1. Keyboard 2. Keyboard Cable 3.
  • Page 44 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Troubleshooting, Diagnostics, And Recovery

    4. Run the diagnostic program. See “Diagnostics” on page 48. 5. Recover your operating system. See “Recovery” on page 49. 6. If the problem persists, contact Lenovo. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms.

  • Page 46: Startup Problems

    Startup problems Problem Solution • Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet. • If the computer has a secondary power switch on the rear of the The computer does not start up when you computer, ensure that it is switched on.

  • Page 47: Screen Problems

    Screen problems Problem Solution • The computer voltage matches the voltage available at the electrical outlet for your country or region. • Press a key to exit the screen saver. • Press the power button to wake the computer from sleep or The screen goes blank while the computer is hibernation mode.

  • Page 48: Audio Problems

    Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet.
  • Page 49 Problem Solution • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2.
  • Page 50 Problem Solution • Enable the Bluetooth feature in UEFI BIOS. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device.

  • Page 51: Performance Problems

    Performance problems Problem Solution Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Open the Start menu. Excessive fragmented files exist on the 3.

  • Page 52: Storage Drive Problems

    Storage drive problems Problem Solution • Ensure that the signal cables and power cables for all the storage drives are connected correctly. • Ensure that the computer is configured correctly to support the storage drives. Some or all storage drives are missing from –...

  • Page 53: Serial Connector Problems

    Problem Solution • Disable any background programs, such as AntiVirus or Desktop The playback is slow or choppy. Themes. • Ensure that video resolution is less than 1152 x 864 pixels. • Ensure that the disc is in the drive with the shiny side of the disc facing down.

  • Page 54: Software Problems

    Use diagnostic solutions to test hardware components and report operating-system-controlled settings 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 on internal storage devices.

  • Page 55: The Vantage App

    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 support representative.

  • Page 56: Use Advanced Options

    Windows recovery programs are damaged. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone 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.

  • Page 57: Update The Device Driver

    • From Windows Update: Note: The device drivers provided by Windows Update might not be tested by Lenovo. It is recommended that you get device drivers from Lenovo. 1. Open the Start menu.
  • Page 58 Hardware Maintenance Manual...

  • Page 59: Chapter 6. Hardware Removal And Installation

    Common tool Isolated tweezers Common tool Hexagonal socket Common tool Silicone grease Consumable tool Polyamide tape Consumable tool Mylar tape Consumable tool Eraser Consumable tool Electrical tape Consumable tool Double-sided tape Consumable tool Conductive tape Consumable tool © Copyright Lenovo 2021...

  • Page 60: Major Frus And Crus

    Note: The silicone grease can be applied to the surfaces of the microprocessor and heat sink to eliminate air gaps. The hexagonal socket is used to pick up the antenna connectors. Major FRUs and CRUs Your computer contains the following types of CRUs and FRUs: •...
  • Page 61 Number Description Self-service CRU Optional-service CRU Computer stand base* Computer stand bar* Computer cover VESA mount bracket Chapter 6 Hardware removal and installation...
  • Page 62 Number Description Self-service CRU Optional-service CRU System fan System board shield Thermal pad* M.2 solid-state drive* System board Wi-Fi card shield* Wi-Fi card* Coin-cell battery Memory module Heat sink Middle frame Integrated camera* Camera cable* LCD panel Power adaptor Power cord Mouse Keyboard Wi-Fi antenna brackets (2)
  • Page 63 Chapter 6 Hardware removal and installation...

  • Page 64: System Board

    System board LCD backlight connector Microprocessor Integrated camera connector Integrated microphone connector M.2 solid-state drive slot Internal speaker connector Memory slot (DIMM1) Memory slot (DIMM2) System fan connector Touch board connector Power button board connector M.2 Wi-Fi card slot LCD LVDS connector Coin-cell battery Storage drive connector Optical drive connector...
  • Page 65 Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect the computer from ac power and all connected cables. 3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the computer cover is facing up.

  • Page 66: Computer Cover

    7. Install the computer stand. 8. Place the computer in an upright position. 9. Reconnect the ac power adapter and all disconnected cables to the computer. Computer cover Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
  • Page 67 a. Pull out the computer cover screw cap. Turn the screw clockwise until the corner of the computer cover is raised. b. With one hand lifting the computer cover slightly upward, the other hand holds a flat plastic stick or similar tool to release the bottom side of the computer cover from the hooks in direction as shown.
  • Page 68 d. Before installing the computer cover, turn it over to adjust the rear cover releaser as shown. e. Install the computer cover. f. Move the computer cover screw cap back to the original position. Hardware Maintenance Manual...

  • Page 69: Internal Speakers

    6. Reinstall the computer stand. 7. Place the computer in an upright position. 8. Reconnect the ac power adapter and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Internal speakers Prerequisite Before you start, read Chapter 1 “Important safety information”...

  • Page 70: Vesa Mount Bracket

    5. Install the new internal speakers. 6. Connect the new internal speaker cable to the system board. 7. Reinstall the removed parts. Then, reconnect the ac power adapter and all disconnected cables to the computer. VESA mount bracket Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 71: System Board Shield And System Fan

    4. Remove the VESA mount bracket. 5. Install the VESA mount bracket. 6. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. System board shield and system fan Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
  • Page 72 5. Disconnect the system fan cable from the system board. 6. Remove the system board shield. 7. Turn over the system board shield. Then, remove the system fan. 8. Install the system fan. 9. Turn over the system board. Then, reconnect the system fan cable to the system board. Hardware Maintenance Manual...

  • Page 73: Storage Drive

    10. Install the system board shield. 11. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Storage drive Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
  • Page 74 4. Remove the storage drive. 5. Remove the storage drive foil. 6. Install the storage drive foil. Hardware Maintenance Manual...

  • Page 75: Storage Drive Cable

    7. Install the storage drive. 8. Reconnect the storage drive cable to the storage drive. 9. Reinstall all removed parts. Then, reconnect the ac power adapter and all disconnected cables to the computer. Storage drive cable Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 76: Optical Drive

    7. Disconnect the storage drive cable from the storage drive. 8. Reconnect the storage drive cable to the storage drive. 9. Reconnect the storage drive cable to the system board. 10. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer.

  • Page 77: Optical Drive Bracket And Optical Drive Board

    Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3. Remove the internal speakers. See “Internal speakers” on page 63. 4. Remove the optical drive. 5.
  • Page 78 2. Remove the computer cover. See “Computer cover” on page 60. 3. Remove the internal speakers. See “Internal speakers” on page 63. 4. Remove the storage drive. See “Storage drive” on page 67. 5. Remove the optical drive. See “Optical drive” on page 70. 6.

  • Page 79: Heat Sink

    10. Install the optical drive bracket. 11. Reconnect the optical drive cable to the optical drive board. 12. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Heat sink Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 80: M.2 Solid-State Drive

    6. Remove the heat sink. Notes: • Carefully loosen the screws from the system board to avoid any possible damage to the system board. The screws cannot be removed from the heat sink. • You might have to gently twist the heat sink to free it from the system board. •...
  • Page 81 Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3.

  • Page 82: Coin-Cell Battery

    8. Install the M.2 solid-state drive. 9. Install the thermal pad. 10. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Coin-cell battery Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 83: Memory Module

    Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3. Remove the internal speakers. See “Internal speakers” on page 63. 4. Remove the VESA mount bracket. See “VESA mount bracket” on page 64. 5.

  • Page 84: Wi-Fi Card

    2. Remove the computer cover. See “Computer cover” on page 60. 3. Remove the internal speakers. See “Internal speakers” on page 63. 4. Remove the VESA mount bracket. See “VESA mount bracket” on page 64. 5. Remove the system board shield. See “System board shield and system fan” on page 65. 6.
  • Page 85 Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3. Remove the internal speakers. See “Internal speakers” on page 63. 4. Remove the VESA mount bracket. See “VESA mount bracket” on page 64. 5.

  • Page 86: Power Button Board

    Power button board Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1.

  • Page 87: Integrated Camera

    10. Install the new power button board. 11. Reconnect the power button cable to the system board. 12. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Integrated camera Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 88: Wi-Fi Antennas And Brackets

    7. Remove the integrated camera. 8. Disconnect the camera cable from the integrated camera. 9. Reconnect the camera cable to the new integrated camera. 10. Install the new integrated camera. 11. Reconnect the camera cable to the system board. 12. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer.
  • Page 89 Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3.

  • Page 90: System Board

    13. Install the Wi-Fi antennas and brackets. 14. Fasten the Wi-Fi antenna cables. 15. Reconnect the Wi-Fi antenna cables to the Wi-Fi card. 16. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. System board Prerequisite Before you start, read Chapter 1 “Important safety information”...
  • Page 91 5. Remove the system board shield. See “System board shield and system fan” on page 65. 6. Remove the heat sink. See “Heat sink” on page 73. 7. Remove the coin-cell battery. See “Coin-cell battery” on page 76. 8. Remove the memory module. See “Memory module” on page 77. 9.

  • Page 92: Middle Frame

    13. Install the screws that secure the system board. 14. Reconnect all cables to the system board. 15. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Middle frame Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
  • Page 93 b. “Optical drive bracket and optical drive board” on page 71. c. “M.2 solid-state drive” on page 74. d. “Wi-Fi card” on page 78. e. “Integrated camera” on page 81. 15. Remove the screws that secure the middle frame, and then carefully lift the middle frame out of the LCD panel.
  • Page 94 16. Install the middle frame into the LCD panel by aligning the screw holes in the middle frame with the corresponding mounting studs on the LCD panel, and then install the screws. 17. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer.
  • Page 95 Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 58. 2. Remove the computer cover. See “Computer cover” on page 60. 3.
  • Page 96 18. Install the front bezel to the LCD panel. 19. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the computer. Hardware Maintenance Manual...
  • Page 97 Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 98 Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.

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