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Chapter 4
74
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 75
T
“Check the Battery Pack” on page 76
Summary of Contents for TRAVELMATE TravelMate 4080
Page 8: ...Chapter 1 3 System Block Diagram ...
Page 9: ...4 TravelMate 4070 4080 Board Layout Top View ...
Page 56: ...51 Chapter 2 ...
Page 61: ...Chapter 3 56 Removing the Battery 1 Unlatch the battery latch then remove the battery ...
Page 69: ...Chapter 3 64 ...
Page 76: ...71 Chapter 3 ...
Page 95: ...Chapter 5 90 Top View Jumper and Connector Locations Chapter 5 ...
Page 98: ...93 Chapter 5 ...
Page 113: ...Chapter 6 108 ...