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21MX000BUS
Lenovo 21MX000BUS Manuals
Manuals and User Guides for Lenovo 21MX000BUS. We have
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Lenovo 21MX000BUS manual available for free PDF download: Hardware Maintenance Manual
Lenovo 21MX000BUS Hardware Maintenance Manual (70 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 22 MB
Table of Contents
Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
7
Safety Inspection Guide
8
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Chapter 2. General Checkout
27
What to Do First
27
CRU List
28
Chapter 3. Identifying Frus (Crus)
29
Locate Frus and Crus
29
Chapter 4. Removing an FRU or CRU
33
Service Tools
33
General Guidelines
33
Handling Thermal Interface Materials
34
Type, Quantity, and Areas of Thermal Interface Materials Application on the Heat Sink
34
Area on the System Board Where Thermal Interface Materials Are Applied
35
Remove the Lower Case
35
Remove the Battery Pack
37
Remove the Solid-State Drive (SSD), Thermal Pad, and Bracket
37
Remove the Wi-Fi Card
39
Remove the Heat Sink
40
Remove the Fan
41
Remove the CMOS Battery
42
Remove the Memory Module
43
Remove the Speakers
44
Remove the I/O Board
45
Remove the I/O Bracket
47
Remove the Fingerprint Sensor Board and Cable
48
Remove the Touchpad Cable
49
Remove the System Board and the I/O Board Cable
51
Use a Golden Key U1 Tool to Flash-Write Key ID Information
53
Remove the LCD Unit
53
LCD Self Test
55
Remove the Upper Case Assembly
55
Disassemble the LCD Unit
56
Remove the Strip Cover
56
Remove the LCD Module
57
Remove the Hinges
59
Remove the EDP Cable
59
Remove the Microphone Rubber
60
Remove the Sensor Board
61
Remove the Touch Control Cable
61
Remove the Camera Shutter
62
Remove the Camera Board
63
Remove the LCD Cover
64
Appendix A. Label Locations
65
Trademarks
67
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