Acer Aspire 5820T Series - Built-In Keyboard Failure

150 Chapter 4
Built-In Keyboard Failure
If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace
non-defective FRUs:
Start
Keyboard properly
connected?
No
Disconnect and
reconnect
Keyboard functioning? No
Replace Keyboard
Replace
mainboard