Acer MP-120 512MB Technical Information PDF herunterladen (Seite 102)

93 Aspire 1600

Undetermined Problems

The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect,

whether a short circuit is suspected, or whether the system is inoperative.

Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).

NOTE:

Verify that all attached devices are supported by the computer.

NOTE:

Verify that the power supply being used at the time of the failure is operating correctly. (See “Power

System Check” on page 82):

Power-off the computer.

Visually check them for damage. If any problems are found, replace the FRU.

Remove or disconnect all of the following devices:

Non-Acer devices

Printer, mouse, and other external devices

Battery pack

Hard disk drive

DIMM

CD-ROM/Diskette drive Module

PC Cards

Power-on the computer.

Determine if the problem has changed.

If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.

If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU:

System board

LCD assembly

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Acer MP-120 512MB Technical Information Seite 102