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Sporadic shutdowns

Discussion in 'Hardware' started by nelson47, Feb 9, 2003.

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  1. nelson47

    nelson47 Thread Starter

    Joined:
    Feb 9, 2003
    Messages:
    34
    Hi,

    my computer sometimes shuts down without any apparent reason. When this happens, the screen turns black and neither ctrl+alt+del or pressing the "reset" button on the computer helps. I have to shut down using the "hard" switch on the back of the computer, wait for a while (a few minutes) and start the computer again.

    These "shutdowns" are sporadic and I haven't been able to trace any pattern in their occurence. Sometimes it happens when I'm in windows and sometimes it happens when rebooting the computer (while checking the RAM).

    Since I first encountered this problem I have replaced my hard-drive, fearing it was the cause, but I still have the same problem.

    Someone who knows what may be the cause?
    Thank you in advance!
     
  2. JSanguancheu

    JSanguancheu

    Joined:
    Aug 11, 2002
    Messages:
    1,824
    Hmm..you said: I have to shut down using the "hard" switch on the back of the computer

    You mean the black switch on the power supply?

    Try this..
    In Windows, go to Display Properties > Screen Saver > Power and make sure
    1. Turn off hard disks
    2. System standby
    3. System hibernates
    Are set to Never.

    Also check your BIOS and disable any type of power management.

    Make sure the fan on your CPU is working properly. If not, you could be having a overheating issue.

    If you still have the same problems, then you may need a new power supply.

    Have you added any new hardware to the system recently? Things like high end video cards suck up a lot of power.

    Good luck.
     
  3. nelson47

    nelson47 Thread Starter

    Joined:
    Feb 9, 2003
    Messages:
    34
    Thank you for you quick response. I have disabled all power management in windows and BIOS.

    yes... by the "hard" button I meant to the black switch on the power supply.

    I have not added any hardware recently, apart from the harddrive. So that shouldn't be the problem... although sometimes the fan on the powersupply makes a lot of noise.

    One question: How do I know of the CPU-fan is working properly?
     
  4. kilowatt1

    kilowatt1

    Joined:
    Oct 27, 2001
    Messages:
    2,578
    Most likely the power supply is over heating. I would suggest replacing it ASAP.

    Good luck.

    Kilowatt
     
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