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Solved: Hibernation/Sleep randomly for no reason

Discussion in 'Windows 7' started by Talavaj, Jun 22, 2012.

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  1. Talavaj

    Talavaj Thread Starter

    Joined:
    Jun 7, 2012
    Messages:
    2
    Since this morning my desktop acts weird, at first my keyboard gone apecrap (not necessarily related to the case) and shortly afterwards I've experienced a random sleep/hibernation lock up something along the lines of:
    went into non-responding black screen and after a couple of seconds (as if it did reboot) I was presented to windows 7 user selection screen
    followed by another instance of the same roughly one hour after the first.

    After like 4 hours during which I've not experienced any more lock ups it started doing again, went to sleep and as soon as I logged back in it immediately logged me out again.
    Now I can't run anything even the slightest bit demanding without being booted out of my account back into sleep.

    Seeing how one of my RAM sticks died a couple of weeks ago for no reason I suspect my PSU going awry, I'm using speedfan and it did not show any abnormal temperatures during the logoffs.
    I've also checked event viewer and all it does list are logoffs type 2

    Any idea what might be the cause ? if it indeed is Power source is there any way for me to confirm ?
    thanks in advance !

    EDIT: probably just nuked keyboard as it, after a bit of research, turned out to occur just when alt and tab are pressed at once
     
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