Sign In
Upload
Manuals
Brands
Lenovo Manuals
Laptop
019923U
Lenovo 019923U Manuals
Manuals and User Guides for Lenovo 019923U. We have
1
Lenovo 019923U manual available for free PDF download: Hardware Maintenance Manual
Lenovo 019923U Hardware Maintenance Manual (158 pages)
Hardware Maintenance Manual
Brand:
Lenovo
| Category:
Laptop
| Size: 13.78 MB
Table of Contents
Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
8
Safety Inspection Guide
9
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Laser Compliance Statement (Multilingual Translations)
23
Chapter 2. Important Service Information
29
Strategy for Replacing Frus
29
Strategy for Replacing a Hard Disk Drive
29
Important Notice for Replacing a System Board
30
How to Use Error Message
30
Strategy for Replacing Frus for CTO, CMV, and GAV
30
Product Definition
30
FRU Identification for CTO, CMV, and GAV Products
30
Chapter 3. General Checkout
33
What to Do First
33
Checkout Guide
34
Diagnostics Using PC-Doctor for DOS
34
Testing the Computer
35
Lenovo Thinkvantage Toolbox (Lenovo System Toolbox)
37
PC-Doctor for Rescue and Recovery
37
Lenovo Solution Center
37
Uefi Diagnostic Program
38
Bootable Diagnostic Programs
38
Lenovo Thinkvantage Toolbox
39
FRU Tests
40
Power System Checkout
41
Checking the Ac Adapter
41
Checking Operational Charging
41
Checking the Battery Pack
42
Checking the Backup Battery
42
Chapter 4. Related Service Information
45
Restoring the Factory Contents by Using the Product Recovery Disc Set
45
Passwords
46
Power-On Password
46
Hard-Disk Password
46
Supervisor Password
46
How to Remove the Power-On Password
46
How to Remove the Hard-Disk Password
47
Power Management
48
Screen Blank Mode
48
Sleep Mode
48
Hibernation Mode
48
Symptom-To-FRU Index
48
Numeric Error Codes
49
Error Messages
51
No-Beep Symptoms
51
LCD-Related Symptoms
51
Intermittent Problems
52
Undetermined Problems
52
Chapter 5. Status Indicators
55
Chapter 6. Special Keys and Fn Key Combination
57
Chapter 7. FRU Replacement Notices
59
Screw Notices
59
Retaining Serial Numbers
60
Restoring the Serial Number of the System Unit
60
Retaining the UUID
61
Reading or Writing the ECA Information
61
Chapter 8. Removing or Replacing a FRU
63
1010 Battery Pack
64
1020 Optical Drive or Travel Cover
64
1030 Thermal Cover
65
1040 Hard Disk Drive Assembly
66
1050 Memory Module
67
1060 Fan Assembly
68
1070 Microprocessor
71
1080 Wireless WAN Slot Cover and PCI Express Mini Card for Wireless WAN
72
1090 Palm Rest Assembly with Cables
75
1100 PCI Express Mini Card for Wireless LAN
78
1110 Backup Battery
80
1120 Bluetooth Daughter Card
80
1130 Keyboard
81
1140 Keyboard Bezel
83
1150 LCD Unit
85
1160 Top Shielding Assembly
88
1170 System Board Assembly
90
1180 USB Connector Board and USB Cable Assembly
94
1190 DC-In Cable and Base Cover
96
2010 LCD Front Bezel
100
2020 Speaker Assembly
101
2030 Integrated Camera
102
2040 Hinges, LCD Panel, LCD Cable, and LCD Rear Cover Assembly
102
2050 Antenna Assembly
105
Chapter 9. Locations
107
Front View
107
Rear View
108
Bottom View
109
Chapter 10. Parts List
111
Overall
112
LCD Frus
129
Keyboard
144
Miscellaneous Parts
146
AC Adapters
146
Power Cords
147
Recovery Discs
148
Windows 7 Home Basic (32 Bit) Dvds
148
Windows 7 Home Premium (32 Bit) Dvds
148
Windows 7 Home Premium (64 Bit) Dvds
149
Windows 7 Professional (32 Bit) Dvds
150
Windows 7 Professional (64 Bit) Dvds
151
Common Service Tools
153
Appendix A. Notices
155
Trademarks
156
Advertisement
Advertisement
Related Products
Lenovo 01994JU
Lenovo 0199A52
Lenovo 019626U
Lenovo 01964WU
Lenovo 01964YU
Lenovo 01965DU
Lenovo 01972CU
Lenovo 019727U
Lenovo 019624U
Lenovo 0769AKU
Lenovo Categories
Laptop
Desktop
Server
Monitor
Tablet
More Lenovo Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL