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  1. #1
    3 Star Lounger
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    PC restarts itself

    My PC would restart itself for no reason recently. It happens probably once every 3 to 4 days. What will cause this problem? Where should I start to find the bug/bugs?

    System: Microstar MS-6368 board, Intel 1.0 GHz Celeron, Windows XP Home SP1

  2. #2
    Plutonium Lounger Leif's Avatar
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    Re: PC retarts itself

    Are you otherwise running 24/7?
    Does it restart when you are using it, or when there is inactivity for a while?
    Do you have any power-down settings selected?
    Do you have a network card and/or modem fitted?
    Have you got any debugging setup ?(Right_click My Computer > Properties > Advanced > Startup and Recovery > )

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    Uranium Lounger
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    Re: PC restarts itself

    In addition to Leif's suggestions, I'm going to hazard two guesses here: one, it's a blue screen and XP is automatically rebooting when it dumps. Two, I bet it's a driver issue of some kind, but what that is I can't say - yet.

    Look at the recovery options and make sure "Automatically reboot" is not checked. You need to see what the error message is when the blue screen occurs. It might not be a bad idea to list all of the hardware in your machine, from installed memory on up to the type of video card that it has inside. If it's a driver issue this will become important information to have.

    And lastly....have you recently applied any software updates?
    -Mark

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    Re: PC retarts itself

    Q: Are you otherwise running 24/7?
    A: It is runing from 7:00am to 10:00pm.

    Q: Does it restart when you are using it, or when there is inactivity for a while?
    A: It restarted when I was using it.

    Q: Do you have any power-down settings selected?
    A: Where to find this setting?

    Q: Do you have a network card and/or modem fitted?
    A: The NIC is a built-in with mother board. I do have a PCI modem installed.

    Q: Have you got any debugging setup ?(Right_click My Computer > Properties > Advanced > Startup and Recovery > )
    A: Yes. The Write Debugging Information is "Small memory dump (64KB)". The Small Dump Directory is "%SystemRoot%Minidump".

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    Re: PC restarts itself

    There is no blue screen before the restart. It seems that the PC just lose power and reboot itself when I was using the computer.

    I had a virus attack on the BIOS several weeks ago. I flashed and installed the newest version of BIOS.

    F.Y.I.: I do have a 250 VA UPS for the computer to prevent the power failure.

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    Uranium Lounger
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    Re: PC restarts itself

    <hr>It seems that the PC just lose power and reboot itself when I was using the computer.<hr>
    Understood - and that's exactly what will happen if 'Automatically reboot' is checked in the advanced system properties (see screen shot). Did you make sure that the checkbox was cleared?
    Attached Images Attached Images
    -Mark

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    Uranium Lounger viking33's Avatar
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    Re: PC restarts itself

    Dennis,
    I think Mark is onto the most likely source of your problem. However, there are a few things you mention that might be clarified.

    !) When you say, "it loses power" do you mean a blackout of the LEDS on your box, or just a momentary glitch as if you hit the reset button?
    2) When you reflashed the BIOS, did you go into it and double check settings in all screens? For example, my newest BIOS will allow overclocking of the CPU and memory, speed & voltage. Wrong settings here will give strange intermittant troubles.
    3) Also, have you checked internal temperatures and fan operations on your MB?

    Bob
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  8. #8
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    Re: PC restarts itself

    'Automatically reboot' was checked. I followed your instruction to uncheck it. What will happen with this option unchecked when system fails?

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    Re: PC restarts itself

    Quite possibly one of those wonderful BSOD (Blue Screen of Death).

    But it should give you some information on what is causing it.
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  10. #10
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    Re: PC restarts itself

    Q: When you say, "it loses power" do you mean a blackout of the LEDS on your box, or just a momentary glitch as if you hit the reset button?
    A: Since everything happened so fast, I could not remember what was exactly happening. I would say it was just like a momentary glitch as if someone had hit the reset button.

    Q: When you reflashed the BIOS, did you go into it and double check settings in all screens? For example, my newest BIOS will allow overclocking of the CPU and memory, speed & voltage. Wrong settings here will give strange intermittant troubles.
    A: I did not check any settings. I just used the default and did not do overclocking.

    Q: Also, have you checked internal temperatures and fan operations on your MB?
    A: Where can I check the internal tempt and fan operation?

  11. #11
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    Re: PC restarts itself

    As Bryan noted, you should be seeing the Blue Screen of Death (what an endearing term). If and when that occurs, make note of the first line of the error, particularly the text string (IRQL_NOT_LESS_OR_EQUAL et al) and the first few hexadecimal numbers (08000000xC0 or similar). Also look to see if Windows displays the name of a driver or faulting component.

    In the meantime, while you're waiting for the implosion, you can check the Windows Event Viewer for clues. Click on Start - Run and enter EVENTVWR.MSC (doesn't matter if it's lowercase or upper). Check the application and system logs, and note/double click on any red flags that you see. These events will give you a numeric code that you can likely find at EventID.net. That should help narrow things down. If you don't understand what you're seeing, write it down, and post back here - the Lounge will certainly pounce on it like a hungry lion with a steak. <img src=/S/laugh.gif border=0 alt=laugh width=15 height=15>
    -Mark

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    Re: PC restarts itself

    To know the error message, I need to wait for the Blue Screen of Death showing up next time.

    I checked the EVENTVWR.MSC, there was a Save Dump log on Jan. 2, 2003, the date last automatic restart happened. I did a search at EventID.com with no result. The following is the error message:

    The computer has rebooted from a bugcheck. The bugcheck was: 0x10000050 (0xff9863ec, 0x00000001, 0xbf8917dc, 0x00000000). A dump was saved in: C:WINDOWSMinidumpMini010203-01.dmp.

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    Re: PC restarts itself

    What anti-virus software do you have installed? Is there any A/V protection active in the BIOS?
    We never really grow up, we only learn how to act in public.

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    Re: PC restarts itself

    Unless you have a seperate utility installed, the temperature, etc. should be displayed in the BIOS.
    We never really grow up, we only learn how to act in public.

  15. #15
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    Re: PC restarts itself

    I don't have any anti-virus application installed.

    The Anti-Virus Protection feature is enable in the AWARD BIOS setup.

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