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21N50011GE
Lenovo 21N50011GE Manuals
Manuals and User Guides for Lenovo 21N50011GE. We have
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Lenovo 21N50011GE manual available for free PDF download: Maintenance Manual
Lenovo 21N50011GE Maintenance Manual (76 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 13.4 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 a 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
Areas on the System Board Where Thermal Interface Materials Are Applied
35
Remove the Lower Case
35
Remove the Battery Pack
36
Remove the Memory Shielding and the Memory Module
37
Remove the SSD
38
Remove the 2280 SSD
38
Remove the 2242 SSD
40
Remove the Touchpad Cable
43
Remove the Hall Sensor Board and Cable
43
Remove the Coin-Cell Battery
44
Remove the Speakers
45
Remove the Woofers (Near the Battery)
45
Remove the Tweeters (under the System Board)
46
Remove the Wi-Fi Card
47
Remove the HDMI Bracket
48
Remove the DC-In Bracket
49
Remove the Thermal Module
50
Remove the Fingerprint Sensor Module
51
Remove the I/O Board Cable
53
Remove the I/O Board and the Bracket
54
Remove the USB-A Bracket
55
Remove the System Board
56
Use a Golden Key U1 Tool to Flash-Write Key ID Information
58
Remove the Thermal Fin
58
Remove the Hinge Cap
59
Remove the LCD Module
61
Remove the Upper Case (with Keyboard)
63
Disassemble the LCD Module
63
Remove the LCD Bezel
63
Remove the LCD Panel
64
Remove the als Rubber
66
Remove the Camera Shutter
66
Remove the Microphone Rubbers
67
Remove the IR Sponges
68
Remove the Camera Board
68
Appendix A. Label Locations
71
Trademarks
73
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