Question about Acer NSK8458AN Keyboard
Not sure if the problem im having is a hardware problem so here go's.
I have a ACER TravelMate 4050 notebook (WinXP), about 2 weeks ago I started having some strang problem with my 2 "Shift" keys, it works but it does not work properly. The left "Shift" key only works on a random set of keys (first half of keyboard) and the right "Shift" key only works with anther random set of keys (second half of keyboard) eg.
Key's that work on left "Shift"
Key's that work on right "Shift"
TYGHZXCVBNM As u can see the ASDFJKL keys does not work at all. the only way for me to insert a Caps letter is by useing the Caps Lock and all other keys works fine. Here is another example, neither one of my shift keys work when trying to insert a colon (:), I have to hold in both shift keys at the same time to be able to insert a colon (:)
I resontly formated and reinstall XP and ja gues what I'm still having the same strange problem.
The 8042 keyboard controller has been integrated into one chip with other I/O functions so I doubt you can replace it as a single IC and I'm afraid that is what has failed.
It is an extremely rare failure but I guess it has to happen some time.
The keyboard is kind of a polled matrix so it only takes the failure of a single line to bollix things up.
I think what you are talking about here is a motherboard exchange or repair.
Posted on Dec 13, 2008
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