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Lenovo ThinkCentre M920 User Manual

Lenovo ThinkCentre M920
74 pages
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M920s User Guide and Hardware
Maintenance Manual
Energy Star Machine Types: 10SJ, 10SK, 10SL, 10TN, 10U2 and
10U3
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Lenovo ThinkCentre M920 Specifications

General IconGeneral
Form FactorTower, Small Form Factor (SFF)
EthernetGigabit Ethernet
ChipsetIntel Q370
MemoryUp to 64GB DDR4 2666MHz
GraphicsIntel UHD Graphics 630
Operating SystemWindows 10 Pro
PortsUSB 3.1 Gen 1, USB 3.1 Gen 2, USB-C, DisplayPort, HDMI, VGA, Serial, Audio
Front Ports (Tower)2x USB 3.1 Gen 1
Front Ports (SFF)2 x USB 3.1 Gen 1
Rear Ports4 x USB 3.1 Gen 1, 2 x USB 2.0, DisplayPort, HDMI, VGA, Serial, Ethernet (RJ-45), Audio line-out
NetworkingIntel Ethernet Connection I219

Summary

Chapter 1. Overview

Front view

Details the front view of the computer, identifying all ports and indicators.

Rear view

Details the rear view of the computer, identifying all ports and connectors.

System board

Identifies key components and connectors on the computer's system board.

Machine type and model label

Explains the importance and location of the machine type and model label for identification.

Chapter 2. Specifications

Specifications

Provides detailed technical specifications for the computer system's hardware.

Chapter 3. Computer locks

Enabling or disabling the E-lock

Instructions on how to enable or disable the E-lock security feature via BIOS.

Locking the computer cover

Explains how the padlock loop secures the computer cover against removal.

Attaching a Kensington-style cable lock

Instructions for attaching a Kensington-style cable lock to the computer's security slot.

Attaching a cable lock

Steps for attaching a general cable lock to secure the computer and its cables.

Chapter 4. Replacing hardware

Before replacing hardware

General precautions and important notes to read before performing any hardware replacements.

Handling static-sensitive devices

Precautions to prevent static-electricity damage to computer components during handling.

Knowing FRUs (including CRUs)

Explains Field Replaceable Units (FRUs) and Customer Replaceable Units (CRUs) for repairs.

Locating FRUs (including CRUs)

Information on how to locate specific FRUs and CRUs within the computer system.

Replacing the power cord

Step-by-step instructions for safely removing and replacing the computer's power cord.

Replacing the external options

Instructions for replacing external options such as the vertical stand and dust shield.

Removing the computer cover

Detailed steps for safely removing the computer's outer cover to access internal components.

Replacing the front bezel

Instructions for removing and replacing the computer's front bezel for access or replacement.

Replacing the optical drive

Steps for safely removing and replacing the computer's optical drive.

Pivoting the drive bay assembly upward and downward

Procedure to pivot the drive bay assembly upward and downward for component access.

Replacing the internal speaker

Steps for removing and replacing the internal computer speaker component.

Replacing the illuminated red dot

Instructions for replacing the illuminated red dot indicator on the computer.

Replacing the thermal sensor

Steps for removing and replacing the thermal sensor used for temperature monitoring.

Replacing the front I/O options

Instructions for replacing front panel input/output options like power button and card reader.

Replacing the storage drive

Steps for replacing the primary 3.5-inch and 2.5-inch storage drives.

Replacing the memory module

Instructions for safely removing and installing computer memory modules (RAM).

Replacing the heat sink and fan assembly

Steps for removing and replacing the heat sink and fan assembly for cooling.

Replacing the microprocessor

Detailed procedure for safely removing and replacing the computer's microprocessor (CPU).

Replacing a PCI Express card

Instructions for installing or removing a PCI Express expansion card.

Replacing the E-lock

Steps for removing and replacing the E-lock security component from the system.

Replacing the cover presence switch

Instructions for replacing the computer cover presence switch.

Replacing the Wi-Fi card

Steps for safely removing and installing the computer's Wi-Fi card.

Replacing the Wi-Fi antennas

Instructions for replacing the computer's Wi-Fi antennas.

Replacing the coin-cell battery

Procedure for replacing the coin-cell battery that maintains system date, time, and settings.

Replacing the M.2 storage drive

Steps for safely removing and replacing the M.2 storage drive.

Replacing the M.2 storage drive bracket

Instructions for replacing the bracket that secures the M.2 storage drive.

Replacing the power supply assembly

Steps for safely removing and replacing the computer's power supply assembly.

Replacing the system board

Detailed procedure for safely removing and replacing the computer's system board.

Completing the parts replacement

Final steps for reassembling the computer after parts replacement and reconnecting cables.

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