Page 1 of 2 12 LastLast
Results 1 to 15 of 19

Thread: PC reboots randomly

  1. #1
    Platinum+ Member
    Join Date
    Nov 2004
    Location
    India
    Posts
    684

    PC reboots randomly

    My Windows XP PC keeps re-booting randomly (without the 'iasss.exe is closing' or any such message).
    Can you please point me to some free virus-removal tools?

    I have ZA Free and Mcafee 9 (partially updated) that arent helping. I will DL AVG shortly.

  2. #2
    Precision Processor Super Moderator egghead's Avatar
    Join Date
    May 2002
    Location
    In Your Monitor
    Posts
    3,506
    i use nod32,
    http://www.nod32.com/

    you should update your video and sound drivers.

    are you overclocking?
    ------------------------------------------------------------



  3. #3
    Triple Platinum Member
    Join Date
    Aug 2004
    Posts
    883
    I have the problem some too.

    I ran CCleaner to clean the PC of unused files and issues with the registry. Then I ran RegCleaner to remove unwanted software/old software fiels and ran a full scan with AVG, Ad-Aware and Housecall. No virus/spyware was detected.

    I should also add that the same thing happens with FireFox (I get the 'send error report' message 80% of the time) and that all this started when I got more RAM added (256MB->768MB)

    The PC reboots about once a day on average and Firefox about twice.

    edit: I'm not overclocking and Microsoft Update shows no available updates for my audio/video drivers. I'm running Windows XP Professional with SP2.
    Last edited by rohitk89; October 9th, 2005 at 05:44 AM.

  4. #4
    Platinum+ Member
    Join Date
    Nov 2004
    Location
    India
    Posts
    684
    Quote Originally Posted by egghead
    i use nod32,
    http://www.nod32.com/

    you should update your video and sound drivers.

    are you overclocking?
    No, I'm not overclocking and I checked the video and sound drivers, they are fine.

    Thanks, I will DL the NOD32 trial, but will I have to uninstall AVG too?

    Is there no chance that it is something similar to the blaster worm or such like?

  5. #5
    Triple Platinum Member Curio's Avatar
    Join Date
    Nov 2004
    Location
    London
    Posts
    899
    Random reboots can be caused by many things most common of them are these:-
    1. Faulty RAM
    2. Faulty Mainboard
    3. Faulty Drivers for anything but especially Sound, Video and Network.
    4. Faulty hard disk but this is usually accompanied by lock ups as well.
    5. Corrupt Windows system files.
    I'm using Windows 7 - you got a problem with that?

  6. #6
    Triple Platinum Member
    Join Date
    Aug 2004
    Posts
    883
    I guess it has to be option 1. Would that also cause problems with FireFox? I'm sure the problems began only after the RAM upgrade.

    Could you elaborate on 1 please. Perhaps with a little info on what could have gone wrong and what I can do to fix it...

  7. #7
    Platinum+ Member
    Join Date
    Nov 2004
    Location
    India
    Posts
    684
    Quote Originally Posted by Curio
    Random reboots can be caused by many things most common of them are these:-
    1. Faulty RAM
    2. Faulty Mainboard
    3. Faulty Drivers for anything but especially Sound, Video and Network.
    4. Faulty hard disk but this is usually accompanied by lock ups as well.
    5. Corrupt Windows system files.
    Wouldn't that show up in device manager?

  8. #8
    Head Honcho Administrator Reverend's Avatar
    Join Date
    Apr 2002
    Location
    England
    Posts
    14,045
    Quote Originally Posted by rohitk89
    Could you elaborate on 1 please. Perhaps with a little info on what could have gone wrong and what I can do to fix it...
    A stick of RAM contains several small chips.If one of those small chips is faulty it can cause errors.

    If you are using more than one stick try each one separately. By the process of elimination you will be able to tell if you have a faulty stick.

    =========== Please Read The Forum Rules ===========

  9. #9
    Titanium Member efc's Avatar
    Join Date
    Sep 2002
    Location
    North Central Arkansas
    Posts
    2,293
    A temporary thing to do is turn off "automatically restart" by accomplishing a right click on My Computer, select Properties, then the Advanced tab. Find Startup and Recovery then click the Settings button and finally remove the check mark on automatically restart.

    This won't prevent the computer from freezing but it might give you the opportunity to download and run memtest86. If it is memory, it should show up during that test. If you have multiple memory sticks, you can try one stick at a time to eliminate a bad stick.

    I would also consider that the CPU could be overheating. Dust in heatsink veins can create a heating problem.
    Linux Mint Debian Edition

  10. #10
    Platinum+ Member
    Join Date
    Nov 2004
    Location
    India
    Posts
    684
    Thanks all.

  11. #11
    Triple Platinum Member
    Join Date
    Aug 2004
    Posts
    883
    If you are using more than one stick try each one separately
    I never had any problems with my single stick of RAM before. I'm certain the problems began only after I installed a second stick.

    I'll try EFC's solution and see what happens.

    And yeah, thanks for the replies

    edit: could the firefox crashes in anyway be related to problems with RAM? No other software on my PC behaves like ff- crashing unexpectedly almost all the time...
    Last edited by rohitk89; October 10th, 2005 at 05:45 AM.

  12. #12
    Titanium Member efc's Avatar
    Join Date
    Sep 2002
    Location
    North Central Arkansas
    Posts
    2,293
    Quote Originally Posted by rohitk89
    I'm certain the problems began only after I installed a second stick.
    Sounds like a place to start. Remove the new stick and use it a while. If the problem goes away, you have found the problem.

    Most memory has lifetime warranty. I have never attempted to exchange memory, so I don't know how hard it might be.
    Linux Mint Debian Edition

  13. #13
    Triple Platinum Member Curio's Avatar
    Join Date
    Nov 2004
    Location
    London
    Posts
    899
    Even relatively small differences in the timing of the memory chips can cause reboot problems. It is not generally something you can fix except by replacing the ram, it's always recommended to use chips from the same manufacturer and preferably even the same exact part number.

    What exactly the problem might be with the ram no-one would ever bother to find out because it is far cheaper and infinitely quicker to just throw it away and replace it. These circuits run at speeds of hundreds of millions of operations per second - any kind of defect can be a problem.

    The reason they don't show errors in the event logs is that the system has reset before any data could be written - in event logs you sometimes get a warning with 'the previous system shutdown at 'TIME' was unexpected' but little else.
    I'm using Windows 7 - you got a problem with that?

  14. #14
    Precision Processor Super Moderator egghead's Avatar
    Join Date
    May 2002
    Location
    In Your Monitor
    Posts
    3,506
    power supplies can also crash tyhe computer.

    Can't rule out a power supply that is slowly dying here
    ------------------------------------------------------------



  15. #15
    Triple Platinum Member
    Join Date
    Aug 2004
    Posts
    883
    power supplies can also crash tyhe computer.
    Would I have to worry about that even if I own an assembled computer?

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •