Built-in keyboard failure – Acer 1820PT User Manual
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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
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