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System Check Procedures
External Diskette Drive Check
Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is
required.
NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause
damage to the drive or cause the drive to fail.
Do the following to select the test device. See "Running PQA Diagnostics Program" on page 39 for details.
1.
Boot from the diagnostics diskette and start the PQA program (see "Running PQA Diagnostics Program"
on page 39).
2.
Go to the diagnostic Diskette Drive in the test items.
3.
Press F2 in the test items.
4.
Follow the instructions in the message window.
If an error occurs with the internal diskette drive, reconnect the diskette connector on the main board.
If the error still remains:
1.
Reconnect the external diskette drive/CD-ROM module.
2.
Replace the external diskette drive/CD-ROM module.
3.
Replace the main board.
External CD/DVD-ROM Drive Check
Do the following to isolate the problem to a controller, drive, or CD/DVD-ROM. Make sure that the CD/DVD-
ROM 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 PQA program (refer to "Running PQA Diagnostics
Program" on page 39.
2.
Go to the diagnostic CD/DVD-ROM in the test items.
3.
Press F2 in the test items.
4.
Follow the instructions in the message window.
If an error occurs, reconnect the connector on the main board. If the error still remains:
1.
Reconnect the external diskette drive/CD/DVD-ROM module.
2.
Replace the external diskette drive/CD/DVD-ROM 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 main board.
If the keyboard cable connection is correct, run the Keyboard Test. See "Running PQA Diagnostics Program"
on page 39 for details.
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.
70
Chapter 4
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