user manual
Table Of Contents
- TravelMate 2000/2500
- Revision History
- Copyright
- Conventions
- Preface
- Table of Contents
- Ch.1 System Introduction
- Ch.2 System Utilities
- Ch.3 Machine Disassembly and Replacement
- General Information
- Disassembly Procedure Flowchart
- Removing the Battery
- Removing the Memory Module
- Removing the Wireless LAN Board and the Modem Board
- Removing the Hard Disk Drive Module
- Removing the LCD Module
- Disassembling the LCD Module
- Disassembling the Main Unit
- Removing the Keyboard
- Removing the RTC Battery
- Removing the Fan
- Removing the Thermal Module
- Removing the Processor
- Installing the Processor
- Removing the Upper Case Assemly
- Removing the Touchpad Board
- Removing the Touchpad Cable
- Removing the VGA Thermal Plate
- Removing the CPU Heatsink Plate
- Removing the Second Fan Bracket
- Removing the ODD Module(1)
- Removing the ODD Module(2)
- Removing the HDD Bracket
- Removing the Main Board
- Removing the DC Board
- Removing the I/O Port Bracket
- Removing the PCMCIA Slot
- Removing the Speaker Set
- System Upgrade Procedure
- Ch.4 Troubleshooting
- Ch.5 Jumper and Connector Locations
- Ch.6 FRU (Field Replaceable Unit) List
- App.A Model Definition and Configuration
- App.B Test Compatible Components
- App.C Online Support Information
Chapter 4 76
Memory check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1. Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board.
2. Go to the diagnostic memory in the test items.
3. Press F2 in the test items.
4. Follow the instructions in the message window.
NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
Power System Check
To verify the symptom of the problem, power on the computer using each of the following power sources:
1. Remove the battery pack.
2. Connect the power adapter and check that power is supplied.
3. Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.
If you suspect a power problem, see the appropriate power supply check in the following list:
T “Check the Power Adapter” on page 77
T “Check the Battery Pack” on page 78