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System Check Procedures; External Diskette Drive Check; External Optical Disk Drive Check; Keyboard Or Auxiliary Input Device Check - Acer AS4810TG-354G50Mn LX.PE10X.047 Service Manual

Aspire 4810t; aspire 4810tz; aspire 4410t; aspire 4810tg series
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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.
1.
Boot from the diagnostics diskette and start the diagnostics program.
2.
See if FDD Test is passed as the program runs to FDD Test.
3.
Follow the instructions in the message window.
If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board.
If the error still remains:
1.
Reconnect the external diskette drive/DVD-ROM module.
2.
Replace the external diskette drive/CD-ROM module.
3.
Replace the main board.

External Optical Disk Drive Check

Do the following to isolate the problem to a controller, drive, or optical disk. Make sure that the optical disk
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 disc and start the diagnostics program.
2.
See if CD-ROM Test is passed when the program runs to CD-ROM 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 disk drive module.
2.
Replace the optical disk 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:
80
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