Lenovo 20XH0059US Manuals

Manuals and User Guides for Lenovo 20XH0059US. We have 1 Lenovo 20XH0059US manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20XH0059US Hardware Maintenance Manual (126 pages)

Brand: Lenovo | Category: Laptop | Size: 60 MB

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
7
Safety Inspection Guide
9
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Chapter 2. Important Service Information
27
Strategy for Replacing Frus
27
Strategy for Replacing a Solid-State Drive
27
Important Notice for Replacing a System Board
28
How to Use Error Message
28
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
28
Product Definition
28
FRU Identification
29
Chapter 3. General Checkout
31
What to Do First
31
Checkout Guide
32
Diagnosing Problems
32
Quick Test Programs
33
UEFI Diagnostic Program
33
Bootable Diagnostic Programs
33
Power System Checkout
34
Checking the Ac Power Adapter
35
Checking the Built-In Battery and Operational Charging
35
Checking the Coin-Cell Battery
35
Chapter 4. Related Service Information
37
Reset or Restore Windows
37
Passwords
37
Power-On Password
37
Nvme Passwords
37
Supervisor Password
38
System Management Password
38
How to Remove the Power-On Password
39
How to Remove the Nvme Password
39
How to Remove the System Management Password
39
Power Management
40
Sleep Mode
40
Hibernation Mode
41
Symptom-To-FRU Index
41
Numeric Error Codes
42
Error Messages
43
Beep Errors
43
No-Beep Symptoms
45
LCD-Related Symptoms
45
Intermittent Problems
46
Undetermined Problems
46
Chapter 5. Special Keys
47
Chapter 6. Locations
49
Locating Computer Controls, Connectors, and Indicators
49
Front
49
Left and Right
50
Rear
52
Bottom
52
Locating Frus and Crus
52
Major Frus and Crus
54
LCD Frus and Crus
59
Miscellaneous Parts
62
Connector and Cable Guide
62
Ethernet Extension Connector Gen
64
Always on USB 3.2 Connector Gen
64
For Selected Models
64
Looking up FRU Information
66
Ethernet Extension Connector Gen
66
Audio Connector
66
USB 3.2 Connector Gen
66
Chapter 7. FRU Replacement Notices
67
Service Tool Kit
67
Screw Notices
67
Retaining Serial Numbers
68
Restoring the Serial Number of the System Unit
68
Retaining the UUID
69
Reading or Writing the ECA Information
69
Chapter 8. Removing or Replacing a FRU
71
General Guidelines
71
Before Servicing the Computer
71
Disabling the Built-In Battery
71
Removing the Nano-SIM-Card and Nano-SIM-Card Tray
72
1010 Keyboard (for Thinkpad X13 Gen 2 Only)
72
1020 Base Cover Assembly
74
1030 M.2 Solid-State Drive, Bracket, and Thermal Pad
76
1040 Wireless WAN Card (for Selected Models)
78
1050 Wireless LAN Card (for Selected AMD Models)
79
1060 Built-In Battery
80
1070 Docking-Station-Connector Bracket
81
1080 Thermal Fan Assembly
82
1090 USB-Card Cable and USB Card
83
1110 Speaker Assembly
84
1120 Coin-Cell Battery
85
1130 Smart Card Reader-Trackpad-Nfc Cable (for Selected Models)
86
1140 Trackpad
86
1150 NFC Card
87
1160 Smart Card Reader
88
1170 Power Card and Power Button with or Without Fingerprint Reader
90
1180 Wireless WAN Antennas (for Selected Models)
91
1190 System Board
93
1200 LCD Unit
97
1210 Keyboard Assembly (for Thinkpad T14S Gen 2) or Keyboard Bezel Assembly (for Thinkpad X13 Gen 2)
102
2010 LCD Bezel Sheet and LCD Bezel
102
2020 LCD Hinges
104
2030 LCD Panel and Elastic Adhesive Tapes
105
2040 LCD Cable
111
2050 Human Presence Detection Module and Cable (for Selected Intel Models)
112
2060 Camera-And-Microphone Module and Cable (for Selected Models)
113
2070 Wireless LAN/WAN Antenna Assembly (for Selected Models)
116
2080 LCD Cover Assembly
120
Appendix A. Notices
121
Appendix B. Abbreviation Table
123

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Lenovo 20XH0059US Hardware Maintenance Manual (126 pages)

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