Lenovo 20X10093US Manuals

Manuals and User Guides for Lenovo 20X10093US. We have 1 Lenovo 20X10093US manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20X10093US Hardware Maintenance Manual (131 pages)

Brand: Lenovo | Category: Laptop | Size: 68 MB

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. Important Service Information
27
Strategy for Replacing Frus
27
Strategy for Replacing a Hard Disk Drive or 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
34
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
Hard Disk Password
37
Supervisor Password
38
System Management Password
38
How to Remove the Power-On Password
38
How to Remove the Hard Disk 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. Use the Keyboard Shortcuts
49
Chapter 6. Locations
53
Locating Computer Controls, Connectors, and Indicators
53
Front View
53
Side View
55
Bottom View
57
Locating Frus and Crus
57
Major Frus and Crus (for L14 Gen 2)
59
Major Frus and Crus (for L15 Gen 2)
62
LCD Frus
65
Miscellaneous Parts
66
Connector and Cable Guide
67
Looking up FRU Information
72
Chapter 7. FRU Replacement Notices
73
Service Tool Kit
73
Screw Notices
73
Retaining Serial Numbers
74
Restoring the Serial Number of the System Unit
74
Retaining the UUID
75
Reading or Writing the ECA Information
76
Chapter 8. Removing or Replacing a FRU
77
General Guidelines
77
Before Servicing the Computer
78
Disabling the Built-In Battery
78
Removing the Nano-SIM Card and Nano-SIM-Card Tray
78
Removing the Microsd Card
78
1010 Keyboard
79
1020 Base Cover Assembly
80
1030 Wireless-LAN Card
82
1040 Wireless-WAN Card (for Selected Models)
82
1050 Memory Module
83
Screw M2 X L2.5, Black
83
1060 I/O Bracket
84
1070 Storage Drive
85
1080 USB and Audio Card Bracket (for L15 Gen 2)
87
Screw M2 X L3, Silver
87
Screw M2 X L5, Black
87
1090 USB and Audio Card
88
1100 Speaker Assembly
89
Screw M2.5 X L2.5, Black
89
1110 Thermal Fan Assembly
90
1120 Built-In Battery
92
1130 Coin-Cell Battery
92
1140 NFC Cable, NFC Module and NFC Antenna
93
1150 Trackpad Cable and Trackpad
95
1160 Fingerprint Reader Cable, Bracket and Module
97
Screw M2.5 X L4.5, Silver
97
1170 Power Button Card with Cable
100
1180 Smart Card Reader,Cable and Bracket
102
1190 System Board
105
1200 LCD Unit
109
2010 LCD Bezel
113
2020 LCD Panel and LCD Elastic Adhesive Tapes
114
2030 Camera/Microphone Module
116
2040 Camera/Lcd Cable
117
2050 Hinges
119
2060 Wireless Antenna Assembly
121
Appendix A. Notices
125
Appendix B. Abbreviation Table
127

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Lenovo 20X10093US Hardware Maintenance Manual (131 pages)

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