Stuck shift keys - windows 7 64 bit

Anonymous
2009-12-10T14:34:25+00:00

I've tried turning off all accessibility option. I've tried switching keyboards. I tried hitting shift 5 times, and every other key press combo purported to solve the problem. The only thing that temporarily helps is a reboot, but the problem resurfaces seemingly at random.

Using a Logitech G15 usb keyboard, also tried a microsoft wired ps/2 keyboard. I have installed several programs recently, mostly small apps dealing with overclocking. The cpu was briefly overclocked, then put back to default, I don't think it's the cause of the problem. 

Edit: Also, relogging temporarily fixes the problem as well.

Windows for home | Previous Windows versions | Apps

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Anonymous
2009-12-12T07:04:02+00:00

_________  <--- Was able to do that because the keyboard behaved as though the shift key was always held down. 

Well, I sort of gave up. Rather than figure out what the problem was, I opted to go for a surefire solution. I used windows restore to roll back 36 hours. Problem solved.

I'm convinced it was a problem with overclocking software of some kind.

Anyway. thanks for all your help.

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  1. Anonymous
    2011-06-10T05:10:34+00:00

    What if the system acts like this from the point of first use?

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  2. Anonymous
    2011-06-06T16:30:33+00:00

    also have exact same behaviour occuring on my HP probook 6550 running win 7 pro 64bit

    excel, photoshop etc all behave as if shift is being pressed, but isnt.

    not an issue with ease of use or keyboard.

    have had occuring for a few weeks now, only just clocked on to what is going on

    so probably too late to roll back :(

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  3. Anonymous
    2011-03-28T10:23:57+00:00

    i have the same problem, shift is turned on by the LEFT shift and off by the right shift key. CAN'T TURN IT OFF.

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  4. Anonymous
    2009-12-15T14:05:14+00:00

    Hello nesbitzero,

    Thank you for posting to the Microsoft Answers Forum.

    The only way to be sure what was causing the key lock is to first make a System restore point.

    Then reinstall the software one a time until you see if the key lock happens again.

    This is really the only way to determine it.

    Thanks,

    Marilyn

    Microsoft Answers Support Engineer

    Visit our Microsoft Answers Feedback Forum and let us know what you think

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