Table of Contents
Advertisement
System Check Procedures
Optical Disk Drive Check
Do the following to isolate the problem to a controller, drive, or optical drive. Make sure that the optical drive
does not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail.
Do the following to select the test device:
1.
Boot from the diagnostics diskette and start the diagnostics program.
2.
See if optical drive test is passed when the program runs to optical drive test.
3.
Follow the instructions in the message window.
If an error occurs, reconnect the connector on the System board. If the error still remains:
1.
Reconnect the optical drive module.
2.
Replace the optical drive module.
3.
Replace the main board.
Keyboard or Auxiliary Input Device Check
Remove the external keyboard if the internal keyboard is to be tested.
If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable
extending from the keyboard is correctly seated in the connector on the system board.
If the keyboard cable connection is correct, run the Keyboard Test.
If the tests detect a keyboard problem, do the following one at a time to correct the problem. Do not replace a
non-defective FRU:
1.
Reconnect the keyboard cables.
2.
Replace the keyboard.
3.
Replace the main board.
The following auxiliary input devices are supported by this computer:
Numeric keypad
q
External keyboard
q
If any of these devices do not work, reconnect the cable connector and repeat the failing operation.
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.
73
Chapter 4
Advertisement
Table of Contents
