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the system is inoperative. Follow these procedures to isolate the failing Spare
Part (do not isolate nondefective Spare Part).
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 Systems Check"):
1. Power off the computer.
2. Visually check them for damage. If any problems are found, replace the
Spare Part.
3. Remove or disconnect all of the following devices:
a. Non-Acer devices
b. Devices attached to the port replicator
c. Printer, mouse, and other external devices
d. Battery pack
e. Hard disk drive
f. DIMM
g. Diskette drive
h. PC Cards
4. Power on the computer.
5. Determine if the problem has changed.
6. If the problem does not recur, reconnect the removed devices one at a
time until you find the failing Spare Part.
7. If the problem remains, replace the following Spare Part one at a time. Do
not replace a nondefective Spare Part:
a. Main board
b. LCD assembly
Chapter 4
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