Acer 4240 Laptop User Manual


 
Chapter 4 151
EasyTouch Button Failure
If the Acer EasyTouch buttons fail, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRUs:
Media Board Failure
If the Media Board fails, perform the following actions one at a time to correct the problem. Do not replace a
non-defective FRUs:
Start
Reconnect the
Function/B to MB
FFC cable
Check Function/B to
MB connection
Check Function/B
and FFC
Swap the Function
Board
Swap Mainboard
OK
OK
NG
NG