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Windows 7: Both the Shift keys malfunctioning

10 Apr 2014   #1

windows 7 ultimate 32bit
Both the Shift keys malfunctioning

I have HP Presario CQ42 173 TU laptop with windows 7 OS. This problem started few days back. Both my Shift keys started malfunctioning. my Sticky keys are not on. When I use the shift key sometime it works and some time not for ex: when I press shift+A at first the letter remains Small but when I press second time it turns to capital letter and also I observed that it works with some keys not with all. QWERTYUIOPASDFGHJKLzxcvBNm you can see that the shift key not worked with ZXCV&M and it is with both the shift keys not one. can anyone tell me what can be the problem.

My System SpecsSystem Spec
10 Apr 2014   #2

Windows 10 64 bit

The obvious and most likely problem is the keyboard is defective. I would consider replacing the keyboard. If the PC is still in warranty, contact HP. If not its a little bit of a job but the keyboard can be user replaced.
My System SpecsSystem Spec

 Both the Shift keys malfunctioning

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