Table Of Contents - IBM ThinkPad X20 Hardware Maintenance Manual

Contents
Chapter 1. Introduction .
Important service information .
FRU replacement strategy
Hard disk drive replacement strategy: .
How to use error messages .
How to read POST error messages .
Safety notices: multilingual translations .
Safety information.
General safety .
Electrical safety
Safety inspection guide .
Handling electrostatic discharge-sensitive devices
Grounding requirements .
Laser compliance statement.
Laser radiation.
Chapter 2. General descriptions .
Read this first .
Related service information .
Service Web site .
Using Recovery CD .
Passwords .
Power management .
Checkout guide
Testing the computer .
Detecting system information with PC-Doctor.
Power system checkout .
Chapter 3. ThinkPad X20, X21, X22 .
Product overview .
Specifications .
Status indicators .
Fn key combinations .
Symptom-to-FRU index .
Numeric error codes .
Error messages
Beep symptoms .
LCD-related symptoms .
Intermittent problems .
Undetermined problems .
FRU replacement notices
Screw notices .
Retaining serial numbers.
Removing and replacing a FRU.
1010 Battery pack.
1020 DIMM
1030 Backup battery .
1040 Hard disk drive .
1050 Keyboard
1060 KBD Control Panel Assemble
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