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Lenovo Yoga AIO 7 Gen 3 Hardware Maintenance Manual
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Lenovo Yoga AIO 7 Gen 3 Hardware Maintenance Manual

Lenovo Yoga AIO 7 Gen 3 Hardware Maintenance Manual

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Summary of Contents for Lenovo Yoga AIO 7 Gen 3

  • Page 1 Yoga AIO 7 Gen3 Hardware Maintenance Manual...
  • Page 2 First Edition (May 2022) © Copyright 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-...

  • Page 3: Table Of Contents

    LCD main frame and LCD panel..Audio problems ... . . Network problems ... . © Copyright Lenovo 2022...
  • Page 4 Chapter 7. Notices and trademarks ....83 Yoga AIO 7 Gen3 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 2022...

  • 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) Yoga AIO 7 Gen3 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 Yoga AIO 7 Gen3 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: Yoga AIO 7 Gen3 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 2022...

  • 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

    2. Camera connector 3. Air vents (2) 4. On-Screen-Display (OSD) Adjustment joystick 5. Power button 6. Reset button 8. Combo audio jack 7. Switch button ® 10. USB-C (3.2 Gen 2) connector 9. USB 3.2 connector Gen 2 © Copyright Lenovo 2022...

  • Page 36: Rear

    Rear ™ 2. DisplayPort out connector 1. Power cord connector 3. Always On USB 3.2 connector Gen 2 4. Ethernet connector 5. USB 2.0 connectors (2) 6. USB-C (3.2 Gen 2) connector Yoga AIO 7 Gen3 Hardware Maintenance Manual...

  • 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 2022...

  • Page 38: Symptom-To-Fru Index

    – If it has been working, what changes were made prior to its failing? – Is this the original reported failure? • Diagnostics version – Type and version level • Hardware configuration – Print (print screen) configuration currently in use –...

  • 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 Yoga AIO 7 Gen3 Hardware Maintenance Manual...

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

    4. Run the diagnostic programs. 5. Recover your operating system. See “Recovery” on page 47. 6. If the problem persists, contact Lenovo. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms. © Copyright Lenovo 2022...

  • 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

    Recovery This 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.

  • Page 54: Restore System Files And Settings To An Earlier Point

    Restore system files and settings to an earlier point 1. Go to Control Panel and view by large icons or small icons. 2. Click Recovery ➙ Open System Restore. Then, follow the on-screen instructions. Restore your files from a backup Note: If you use the File History tool to restore your files from a backup, ensure that you backed up your data earlier with the tool.

  • Page 55: Update The Device Driver

    Download and install the latest driver by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage 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.
  • Page 56 Yoga AIO 7 Gen3 Hardware Maintenance Manual...

  • Page 57: 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 2022...

  • Page 58: 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 59 Chapter 6 Hardware removal and installation...
  • Page 60 Number Description Self-service CRU Optional-service CRU Computer stand Base support assembly Base support bracket Fans Heat sink (for UMA models) Heat sink (for DIS models) Side I/O bracket M.2 solid-state drive thermal pad M.2 solid-state drive Wi-Fi card Wi-Fi card bracket Coin-cell battery Discrete graphic card* EDP cable...
  • Page 61 Description Self-service CRU Optional-service CRU System board shield System board Computer cover * for selected models For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go http://www.lenovo.com/serviceparts-lookup Chapter 6 Hardware removal and installation...

  • Page 62: System Board

    System board GPU fan connector Backlight connectors (2) G-sensor cable connectors (2) Camera and microphone cable connector EDP cable connector Wireless projector cable connector CPU fan connector Microprocessor Speaker connector M.2 Wi-Fi card slot Power switch cable connector Coin-cell battery M.2 solid-state drive slots (2) Removing and installing hardware This section provides instructions on how to remove and install hardware for your computer.

  • Page 63: Power Cord And Ac Power Adapter

    Power cord and ac power adapter Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Note: Do not remove the power cord when the computer is connected to ac power. Otherwise, there might be a risk of short circuits.

  • Page 64: Computer Cover

    2. Remove the camera. 3. Reinstall the new camera. 4. Reconnect the ac power adapter. Computer cover 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.

  • Page 65: System Board Shield

    5. Remove the computer cover. 6. Reinstall the computer cover. 7. Place the computer in an upright position. 8. If a locking device is available, use it to lock the computer. 9. Reconnect the external cables and power cords to the corresponding connectors on the computer. System board shield Prerequisite Before you start, read Chapter 1 “Important safety information”...

  • Page 66: M.2 Solid-State Drive And Thermal Pad

    3. Reinstall the system board shield. 4. Place the computer in an upright position. 5. Reconnect the external cables and power cords to the corresponding connectors on the computer. M.2 solid-state drive and thermal pad Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 67: Remove The Heat Sink

    3. Remove the M.2 solid-state drive thermal pad. Remove one screw and then remove the solid-state drive by pulling it away from the slot. 4. Reinstall the M.2 solid-state drive and the thermal pad. 5. Reinstall all the removed parts, and then reconnect the cables. Remove the Heat sink Remove the heat sink (for UMA models) Prerequisite...
  • Page 68 4. Reinstall the heat sink. 5. Reinstall all the removed parts, and then reconnect the cables. Remove the heat sink (for DIS models) Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 69: Speaker

    4. Reinstall the heat sink. 5. Reinstall all the removed parts, and then reconnect the cables. Speaker 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.

  • Page 70: Wi-Fi Card And Bracket

    4. Reinstall the speaker. 5. Reinstall all the removed parts, and then reconnect the cables. Wi-Fi card and bracket 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.

  • Page 71: Fans

    4. Reinstall the Wi-Fi card. 5. Reinstall all the removed parts, and then reconnect the cables. Fans 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.

  • Page 72: Discrete Graphic Card (For Selected Models)

    4. Reinstall the fans. 5. Reinstall all the removed parts, and then reconnect the cables. Discrete graphic card (for selected models) 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.

  • Page 73: Wireless Projector Board And Bracket

    5. Reinstall the discrete graphic card. 6. Reinstall all the removed parts, and then reconnect the cables. Wireless projector board and bracket 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.

  • Page 74: Power Switch Board And Bracket

    4. Remove three screws. Then, remove the wireless projector bracket. 5. Reinstall the wireless projector bracket and board. 6. Reinstall all the removed parts, and then reconnect the cables. Power switch board and bracket Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 75: Coin-Cell Battery

    Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 58. 2. Remove the system board shield. See “System board shield” on page 59. 3. Disconnect the power switch cable from the system board. Remove two screws and then remove the power switch board with bracket.

  • Page 76: System Board

    Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 58. 2. Remove the system board shield. See “System board shield” on page 59. 3. Disengage the latch. 4. Remove the coin-cell battery. 5. Reinstall the coin-cell battery and secure it with the latch. 6.

  • Page 77: Side I/O Bracket

    Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 58. 2. Remove the system board shield. See “System board shield” on page 59. 3. Remove the M.2 solid-state drive. See “M.2 solid-state drive and thermal pad” on page 60. 4.

  • Page 78: System Board Front Cover

    3. Reinstall the side I/O bracket. 4. Reinstall all the removed parts, and then reconnect the cables. System board front cover 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.

  • Page 79: Computer Stand

    5. Reinstall the system board front cover. 6. Reinstall all the removed parts, and then reconnect the cables. Computer stand 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.

  • Page 80: Base Support Bracket

    4. Reinstall the computer stand. 5. Reinstall all the removed parts, and then reconnect the cables. Base support bracket 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.

  • Page 81: Base Support Assembly

    4. Reinstall the base support bracket. 5. Reinstall all the removed parts, and then reconnect the cables. Base support assembly 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.

  • Page 82: Antennas

    4. Remove four screws. Then, remove the base support assembly. 5. Reinstall the base support assembly. 6. Reinstall all the removed parts, and then reconnect the cables. Antennas Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 83: Panel Housing Assembly

    Replacement procedure 1. Remove the computer stand. See “Computer stand” on page 73. 2. Loosen antennas cables from cable hooks. Then, remove the antennas. 3. Reinstall the antennas. 4. Reinstall all the removed parts, and then reconnect the cables. Panel housing assembly Prerequisite Before you start, read Chapter 1 “Important safety information”...

  • Page 84: Microphone Board And Bracket

    3. Reinstall the panel housing assembly. 4. Reinstall all the removed parts, and then reconnect the cables. Microphone board and bracket 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.

  • Page 85: G-Sensor Cards

    3. Remove the microphone board bracket. 4. Reinstall the microphone board and bracket. 5. Reinstall all the removed parts, and then reconnect the cables. G-sensor cards Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 86: Lcd Main Frame And Lcd Panel

    3. Reinstall the G-sensor cards. 4. Reinstall all the removed parts, and then reconnect the cables. LCD main frame and LCD panel 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.
  • Page 87 5. Remove 20 screws. Then, remove the LCD main frame. 6. Disconnect the EDP cable and backlight cable from the LCD panel. Then, remove the LCD panel. 7. Reinstall the LCD panel and LCD main frame. 8. Reinstall all the removed parts, and then reconnect the cables. Chapter 6 Hardware removal and installation...
  • Page 88 Yoga AIO 7 Gen3 Hardware Maintenance Manual...
  • Page 89 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 90 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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