Lenovo ThinkCentre M820z Owner's manual

M820z User Guide and Hardware
Maintenance Manual
Energy Star Machine Types: 10SC, 10SD, 10Y7, and 10Y8

Note: Before usin this information and the product it supports, be sure to read and understand the
Important Product Information Guide and Appendix A “Notices” on pa e 57.
First Edition (July 2018)
Copyright Lenovo 2018.
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.

Contents
Chapter 1. Overview . . . . . . . . . . . 1
Front view . . . . . . . . . . . . . . . . . . 1
Rear view . . . . . . . . . . . . . . . . . . 3
System board . . . . . . . . . . . . . . . . 4
Machine type and model label . . . . . . . . . . 6
Adjustin the inte rated camera module . . . . . . 6
Adjustin the computer stand . . . . . . . . . . 6
Chapter 2. Specifications . . . . . . . . 9
Chapter 3. Computer locks . . . . . . 11
Chapter 4. Replacing hardware . . . . 13
Before replacin hardware . . . . . . . . . . 13
Knowin FRUs (includin CRUs) . . . . . . . . 13
Locatin FRUs (includin CRUs) . . . . . . . . 14
Replacin the computer stand . . . . . . . . . 16
Removin the computer cover . . . . . . . . . 18
Replacin the stora e drive . . . . . . . . . . 19
Replacin the optical drive . . . . . . . . . . 21
Replacin the optical drive and stora e drive
cables . . . . . . . . . . . . . . . . . . 24
Replacin the side I/O bezel . . . . . . . . . . 25
Replacin the system board shield . . . . . . . 26
Replacin the VESA mount bracket . . . . . . . 27
Replacin the power supply assembly . . . . . . 28
Replacin the cover presence switch . . . . . . 30
Replacin the system fan . . . . . . . . . . . 31
Replacin the heat sink . . . . . . . . . . . . 32
Replacin the microprocessor . . . . . . . . . 34
Replacin the Wi-Fi card . . . . . . . . . . . 38
Replacin the serial connector module . . . . . . 39
Replacin the M.2 solid-state drive . . . . . . . 40
Replacin a memory module. . . . . . . . . . 43
Replacin the coin-cell battery . . . . . . . . . 45
Replacin the card reader . . . . . . . . . . . 47
Replacin the system board . . . . . . . . . . 48
Replacin the inte rated camera module . . . . . 49
Replacin the internal speakers . . . . . . . . 52
Replacin the Wi-Fi antennas . . . . . . . . . 53
Replacin the LCD panel . . . . . . . . . . . 55
Completin the parts replacement . . . . . . . 55
Appendix A. Notices . . . . . . . . . . 57
Appendix B. Trademarks . . . . . . . 59
© Copyri ht Lenovo 2018 i

ii M820z User Guide and Hardware Maintenance Manual

Chapter 1. Overview
This chapter provides basic information to help you et familiar with your computer.
Front view
Note: Your computer model mi ht look sli htly different from the illustration.
Figure 1. Front view
1 Inte rated microphones (2) (optional) 2 Inte rated camera activity indicator (optional)
3 Inte rated camera shield control slider (optional) 4 Inte rated camera (optional)
5 Card reader slot (optional) 6 Always On USB 3.1 Gen 2 connector (for rapid
char e)
7 USB 3.1 Gen 1 Type-C connector 8 Headset connector (also known as combo audio
jack)
9 Microphone mute/unmute control 10 Power button
11 Power indicator 12 Stora e drive activity indicator
13 Microphone mute/unmute indicator 14 Internal speakers (2)
15 Screen
1 Integrated microphones
© Copyri ht Lenovo 2018 1