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Intermittant keyboard failure

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by Member 30896100 3 views

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My keyboard quit working a couple of days ago. I went ahead and plugged in a new keyboard and for two days the computer worked fine. However, this evening the new keyboard quit working as well..

I tried both the new keyboard and the old keyboard on another machine and both worked. Apparently the problem isn't my keyboard.

Any idea what might be causing the problem or what components I could run a diagnostic test on?
I have an ASUS CUSL2-C motherboard and I am running Windows 2000 Pro.

8 replies

by jaqui

since it isn't the keyboard itself,
check that the port on the comp is not loosened ( keyboard cable jerked and twisted the port )

if yes, and cannot secure connection, replace motherboard.
if no:
open case and see if dust built up around port connections.
if yes, clean it.
if no, and you don't have full electronics shop.
take it to one, or replace motherboard.

that dust may have fried a part of the board.

by g.brown

I am assuming it's a PS/2 kbd.

Make sure that the metal part of the PS/2 isn't touching the case (sometimes can happen if the board or back panel are not lined up properly)

If the problem is with the port try a USB keyboard.

by g.brown

"Is there a diagnostic test for a port connector? I am using an older keyboard"

I've never seen one.

Does the kbd work in the BIOS? If it works OK in there and not in windows then it's probably a software/drivers problem. If it doesn't work in the BIOS then it sounds like the port has been damaged in some way (or the kbd is shorting itself on the case/back plate).

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