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thinkpad keyboard problem

by emmell / March 18, 2005 12:54 AM PST

I have an ibm thinkpad R40 along with a port replicator (docking station). The external keyboard works fine when the thinkpad is docked. But the thinkpad's keyboard doesn't work correctly when it isn't docked. The keys are not mapped correctly (hitting P results in a 6 e.g.). The device manager still says the keyboard is plugged into the keyboard port when it is undocked. Any ideas?

Thanks

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Didn't I reply to this?
by R. Proffitt Forum moderator / March 18, 2005 1:53 AM PST

Try the notebook forum where ikenfixit.com pops in now and then as well as a quote from notefix.com

If this was mine, I'd obtain a new keyboard (from 50 to 200) and see if that fixes it.

Bob

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No
by emmell / March 18, 2005 3:02 PM PST

You didn't reply to this. The number lock on the external keyboard was on which set it on the laptop. Thanks a little for the direction to the tech support sites.

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I've fixed a few keyboards
by Jerry562 / March 18, 2005 7:23 PM PST
In reply to: No

and they were made from three sheets of plastic. The top sheet with contact lines made phyical contact with the lines on the bottom sheet when a key was pressed. The middle sheet just separated the two, and allowed contact through holes punched where the keys were.

Take it apart and clean it, roll the pimples out where you find them.

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You're right.
by R. Proffitt Forum moderator / March 18, 2005 7:34 PM PST
In reply to: No

It must have been another KBD post. Or the post didn't take in the Notebook forum. Drop the note to ikenfixit.com or notefix.com for the estimate if your effort to replace the KBD doesn't pan out.

Bob

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NumLock is on ...
by MuleHeadJoe / March 31, 2005 2:43 AM PST

Looks like you already figured out the issue ... but for clarity sake, I figgered I'd make it clear for any future lookers: on an IBM thinkpad, the numlock key makes the right side of the keyboard into the numeric keypad. It's a cheesy solution in my opinion, I really dislike it.

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