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User Manuals: Lenovo 20E6 ThinkPad Laptop
Manuals and User Guides for Lenovo 20E6 ThinkPad Laptop. We have
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Lenovo 20E6 ThinkPad Laptop manual available for free PDF download: Hardware Maintenance Manual
Lenovo 20E6 Hardware Maintenance Manual (96 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 22.33 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. Important Service Information
25
Strategy for Replacing Frus
25
Strategy for Replacing a Solid-State Drive
25
Important Notice for Replacing a System Board
26
How to Use Error Message
26
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
26
Product Definition
26
FRU Identification
26
Chapter 3. General Checkout
29
What to Do First
29
Checkout Guide
30
Lenovo Solution Center
30
Quick Test Programs
30
UEFI Diagnostic Program
31
Bootable Diagnostic Programs
31
Power System Checkout
32
Checking the Ac Power Adapter
32
Checking the Battery and Operational Charging
33
Checking the Coin-Cell Battery
33
Chapter 4. Related Service Information
35
Restoring the Factory Contents by Using the Product Recovery Disc Set
35
Using the Windows Recovery Programs on the Windows 8.1 Operating System
36
Recovery Overview for the Windows 10 Operating System
38
Resetting Your Computer
38
Using Advanced Startup Options
39
Recovering Your Operating System if Windows 10 Fails to Start
39
Creating and Using a Recovery USB Drive
39
Passwords
40
Power-On Password
40
Hard Disk Password
40
Supervisor Password
40
How to Remove the Power-On Password
41
How to Remove the Hard Disk Password
41
Power Management
42
Screen Blank Mode (for the Windows 7 Operating System Only)
42
Sleep Mode
42
Hibernation Mode
42
Symptom-To-FRU Index
43
Numeric Error Codes
43
Error Messages
44
Beep Symptoms
45
LCD-Related Symptoms
45
Intermittent Problems
46
Undetermined Problems
46
Chapter 5. Locations
47
Locating Computer Controls, Connectors, and Indicators
47
Front View
47
Left-Side View
49
Bottom View
50
Locating Frus and Crus
50
Major Frus
51
LCD Frus
53
Miscellaneous Parts and Other Frus
56
Looking up FRU Information
56
Chapter 6. FRU Replacement Notices
57
Common Service Tools
57
Screw Notices
57
Retaining Serial Numbers
58
Restoring the Serial Number of the System Unit
58
Retaining the UUID
59
Reading or Writing the ECA Information
60
Chapter 7. Removing or Replacing a FRU
61
General Guidelines
61
Before Servicing the Computer
62
Disabling the Built-In Battery
62
Removing a Major FRU
62
1010 Bottom Cover
62
1020 Battery
63
1030 Hard Disk Drive or Solid-State Drive
65
1040 Wireless LAN Card
66
1050 Memory Module
67
1060 Coin-Cell Battery
68
1070 Keyboard
68
1080 Keyboard Bezel Assembly, Speaker Assembly, Media-Card-Reader Board
70
1090 System Board Assembly, DC-In Connector, and Thermal Fan
74
1100 LCD Unit
77
Removing an LCD FRU for Non-Touch Models
79
2010 LCD Bezel Assembly
79
2020 LCD Panel
80
2030 Camera/Microphone Board
82
2040 Antenna Kit, LCD Cable, LED Cable, and Hinges
82
Removing an LCD FRU for Touch Models
85
3010 LCD Panel Assembly
85
3020 Camera/Microphone Board and Proximity Sensor Board
87
3030 Antenna Kit, LCD Cable, LED Cable, and Hinges
89
Appendix A. Notices
93
Electronic Emissions Notices
94
Trademarks
94
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