Acer D255 manual Touch Pad Failure, Internal Speaker Failure

Touch Pad Failure

If the TouchPad doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Start

Check M/B

T/P FFC

OK

Check Logic

Upper

OK

NG

OK

NG

Re-assemble

the T/P FFC to

M/B

Swap/Re-

assemble the T/P board or

T/P FFC

Swap M/B

Internal Speaker Failure

If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Start

Check M/B SPK cable

OK

Check Logic

Lower

OK

NG

OK

NG

Re-assemble the SPK cable to M/B

Swap Logic

lower

Swap M/B

130 Chapter 4