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Lenovo 20GA Convertible Ultrabook Laptop Manuals
Manuals and User Guides for Lenovo 20GA Convertible Ultrabook Laptop. We have
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Lenovo 20GA Convertible Ultrabook Laptop manual available for free PDF download: Hardware Maintenance Manual
Lenovo 20GA Hardware Maintenance Manual (74 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 14.91 MB
Table of Contents
Table of Contents
2
About this Manual
4
Chapter 1. Safety Information
5
General Safety
5
Electrical Safety
5
Safety Inspection Guide
6
Handling Devices that Are Sensitive to Electrostatic Discharge
7
Grounding Requirements
8
Safety Notices (Multilingual Translations)
8
Chapter 2. Important Service Information
10
Strategy for Replacing Frus
10
Strategy for Replacing a Solid-State Drive
10
Important Notice for Replacing a System Board
11
How to Use Error Message
11
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
11
Product Definition
11
FRU Identification
11
Chapter 3. General Checkout
13
What to Do First
13
Checkout Guide
14
Lenovo Solution Center
14
Quick Test Programs
14
UEFI Diagnostic Program
15
Bootable Diagnostic Programs
15
Power System Checkout
16
Checking the Ac Power Adapter
16
Checking the Battery and Operational Charging
17
Checking the Coin-Cell Battery
17
Chapter 4. Related Service Information
18
Restoring the Factory Contents by Using the Product Recovery Disc Set
18
Recovery Overview for the Windows 10 Operating System
19
Resetting Your Computer
19
Using Advanced Startup Options
19
Recovering Your Operating System if Windows 10 Fails to Start
19
Creating and Using a Recovery USB Drive
20
Passwords
20
Power-On Password
20
Hard Disk Password
21
Supervisor Password
21
How to Remove the Power-On Password
21
How to Remove the Hard Disk Password
22
Power Management
22
Screen Blank Mode (for the Windows 7 Operating System Only)
22
Sleep Mode
22
Hibernation Mode
23
Symptom-To-FRU Index
23
Numeric Error Codes
24
Error Messages
25
Beep Symptoms
25
LCD-Related Symptoms
26
Intermittent Problems
26
Undetermined Problems
27
Chapter 5. Locations
28
Locating Computer Controls, Connectors, and Indicators
28
Front View
28
Left-Side View
30
Bottom View
31
Locating Frus and Crus
31
Major Frus
32
LCD Frus
34
Miscellaneous Parts and Other Frus
36
Connector and Cable Guide
36
Chapter 6. FRU Replacement Notices
40
Common Service Tools
40
Screw Notices
40
Retaining Serial Numbers
41
Restoring the Serial Number of the System Unit
41
Retaining the UUID
42
Reading or Writing the ECA Information
43
Chapter 7. Removing or Replacing a FRU
44
General Guidelines
44
1010 Bottom Cover
48
1030 M.2 Solid-State Drive
48
1040 Wireless LAN Card
49
1050 Memory Module
49
1060 Coin-Cell Battery
50
1070 Keyboard
50
1080 Keyboard Bezel Assembly and Media-Card-Reader Board
52
1090 System Board Assembly, DC-In Connector, and Thermal Fan
55
1100 LCD Unit
59
Removing an LCD FRU for Non-Touch Models
61
2010 LCD Bezel Assembly
61
2020 LCD Panel and LCD Cable
62
2030 Camera/Microphone Board
63
2040 Hinges
64
Removing an LCD FRU for Touch Models
66
3010 LCD Panel Assembly, LCD Cable, and LCD Panel Brackets
66
3020 Camera/Microphone Board and Proximity Sensor Board
69
3030 Hinges
71
Appendix A. Notices
73
Electronic Emissions Notices
74
Trademarks
74
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