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Windows XP


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#1
wooza

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Hi guys, My computer randomly shuts off. It keeps occuring very frequently now. I have ran AVG and have got Zonealarm, and I can't see anything out of place in the HJT scan. I was just wondering if anybody has any suggestions. I don't think it is overheating because I have cleaned the heat sink and fan, and the PC feels cool.

Any help would really be appreciated.

Cheers
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#2
wooza

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Any ideas folks?
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#3
Tyger

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Heat or failing hardware may be a problem. Remove your case and make sure that all the fans are running, on some machines the fans only start when the cooling surface reaches a certain temperature. Make sure the cooling surfaces are free of dust. You can put a small room fan beside the open case to add extra cooling, if that stops the shutdowns then you know that it is a cooling problem. You can run memtest86 to check your memory, that is one piece of hardware that can cause shutdowns and that you can replace if need be.

Are there any indications at all before a shutdown occurs, or is it just sudden?
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#4
wooza

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Hi there. Thankyou for the reply. I will take the case back off and put a home fan next to it. There is no indication that it is going to turn off, it just does it suddenly. When previous machines that I have owned have over heated it was either because the fan/heatsink was covered i dust, or because it was a hot day and I was putting the machine under high stress playing a game. Is it possible that a worm could cause this type of problem? or is it more likely to be a hardware issue?

Again thanks for your reply and time.
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#5
wooza

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Hi there. Yesterday I put the machine into safe mode and it has not turned off once since. What would this indicate?
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#6
Avohir

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Hi there. Yesterday I put the machine into safe mode and it has not turned off once since. What would this indicate?


when you say "shuts off" do you mean it just completely powers down, does it reboot, or does it show a blue screen?
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#7
wooza

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It is like it is powering down, but it turns off instantly. The screen does not go blue. I then have to press the power button to start it up again. As I say though, I have been using it in safe mode for two days now and it is still turned on.
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#8
wooza

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Any suggestions?
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#9
Trippster

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Goto your event viewer and look for errors/warnings that occured shortly before it auto shuts off. (if any)

To get to event viewer -> Right-click on My Computer -> Manage -> Event viewer -> Look through all 4 categories for errors/warnings
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#10
wooza

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Hi there I have looked at the event viewer. I turned the PC on in normal mode, and it had just finished loading up and it turned off. I then put it back into safe mode and looked at the Event Viewer. Here are the results.

Attached Thumbnails

  • Event_Viewer.jpg
  • Event_Viewer_2.JPG

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#11
wooza

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I have got no idea what to do now. The machine will not even get past start up before it turns off. But as said, works perfectly well in safe mode. Any help whatsoever would be extremely appreciated.
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#12
The Skeptic

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Go to Event Viewer, right click each of the categories and click "clear all events". Reboot the computer in normal mode, let it crash, reboot in safe mode and report all the details of the error which was just created.
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#13
wooza

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Hi there, here are the screen shots of the Event Viewer after i cleared it and powered up. It last about 30 seconds then went off. The only ones to contain any errors were Applications, Security and System, So they are the ones I have posted.

Attached Thumbnails

  • Event_Viewr.JPG
  • Event_Viewr_2.JPG
  • Event_Viewr3.JPG

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#14
The Skeptic

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Go to administrative tools > Services. Look for DCOM service, double click the service and in Startup Type set it to Automatic. Reboot and report.
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#15
wooza

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I went into Admin tools and Dcom was already set for automatic startup type. I then rebooted in Normal mode and it shut off. Here are the latest errors from the event viewer.

Attached Thumbnails

  • Evt_Vwr.JPG
  • Evt_Vwr2.JPG

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