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Old 04-08-2008, 01:48 PM   #1
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Default Random restarts (and BSoD)

Hi!

I've had some problems with random restarts for a while now, and I'm getting rather tired of it. At times it will restart just after logging in to windows XP. It also restarts at times after I have used the computer for a while. The BSoD that comes when it restarts just after logging in says:

"STOP: c000021a {Fatal System Error}
The windows logon process system process terminated unexpectedly with a status of 0xc0000005 (0x00000000 0x00000000).
The system has been shut down."

I'm not sure if it says the same when restarting after I have been using the copmuter for a while (I will check next time it does that).

It doesn't restart after using it for a while very often, the intervals are usually a couple of hours. It is possible that it is some kind of hard ware problem, because after moving the copmuter I have been able to use it for a week without a single restart, but when moving it back, it happens more regular again.

Also, I don't think it is the memory; I did a memtest a couple of weeks ago, and it didn't show any errors.

My computer configuration:

CPU: AMD Athlon64 X2 3800+
RAM:Corsair Twin2X2048-6400
Motherboard: ECS NFORCE4M-A
PSU: Chieftec CFT-620A-12S, 620 Watt
GPU: some old PCI card now, my XFX 8600GTS is away for RMA

Any help is appreciated.
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Old 04-08-2008, 01:53 PM   #2
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Default Re: Random restarts (and BSoD)

Where did you move the computer to when it starting working, and where is the computer located when it restarts randomly?
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Old 04-08-2008, 01:57 PM   #3
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Default Re: Random restarts (and BSoD)

Well, I have moved it between the two places a couple of times, and I think I had the same problem atleast one time when I had it where it has worked So what I was suggesting was more that the transportation may have done something.

The place where it worked better is where my parents live, and the place where it didn't work aswell is where I live when going to school.
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Old 04-08-2008, 02:08 PM   #4
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Default Re: Random restarts (and BSoD)

Check your PC for dust, the heatsinc is usually clogged after a while, even remove your ram and carefully clean them and slots, check your graphics card is seated correctly and hasn't got disturbed while you moved your PC, clean around the jumpers with a fine brush, do the same for between the panels of the heat sinc, I would also check you fans are working correctly and giving the PC sufficient cooling, does it run ok if you leave the side panel off? what your temps?
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Old 04-08-2008, 02:15 PM   #5
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Default Re: Random restarts (and BSoD)

What I was getting at was maybe the room you had the computer in when it wasn't working well was possibly a room that is very warm and traps alot of heat inside making the computer act up.

Doing what blackjack hopefully will fix the problem.
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Old 04-08-2008, 02:15 PM   #6
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Default Re: Random restarts (and BSoD)

It doesn't have to do with the graphics card, because I have had the same problem both when using and old PCI card as when using a PCI-E 8600GTS.

I have already tried replacing the memory sticks, I have also tried using only one at once. I don't think there is any dust, but I'll check that again just to be sure.

I believe I checked the temperatures a while ago, and they seemed to be OK. But I don't have any program to check it now, so do you know any good program I could use? I tried Motherboard Monitor 5, but it didn't seem to work with the motherboard I use. Or should I just check the temperatures in BIOS just after a restart?

After further thoughts, I can't see how the problem with restarts just after logging in could be because of overheating...
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Old 04-08-2008, 03:38 PM   #7
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Default Re: Random restarts (and BSoD)

Quote:
Originally Posted by Gilgond View Post
It doesn't have to do with the graphics card, because I have had the same problem both when using and old PCI card as when using a PCI-E 8600GTS.

I have already tried replacing the memory sticks, I have also tried using only one at once. I don't think there is any dust, but I'll check that again just to be sure.

I believe I checked the temperatures a while ago, and they seemed to be OK. But I don't have any program to check it now, so do you know any good program I could use? I tried Motherboard Monitor 5, but it didn't seem to work with the motherboard I use. Or should I just check the temperatures in BIOS just after a restart?

After further thoughts, I can't see how the problem with restarts just after logging in could be because of overheating...
Try CPU COOL or CPUZ
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Old 04-08-2008, 04:02 PM   #8
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Default Re: Random restarts (and BSoD)

CPU-Z doesn't mesure the temperature. Use this: http://www.cpuid.com/hwmonitor.php
Is your HSF properly secured?
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Old 04-08-2008, 04:09 PM   #9
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Default Re: Random restarts (and BSoD)

What is HSF?
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Old 04-08-2008, 04:46 PM   #10
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Default Re: Random restarts (and BSoD)

Quote:
Originally Posted by Gilgond View Post
What is HSF?
Heat sinc fan
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Old 04-08-2008, 04:48 PM   #11
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Default Re: Random restarts (and BSoD)

It means heat sink fan. It's the cooler over your processor. You have an AM2 board so that probably won't be the problem, but it's always worth checking.
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Old 04-09-2008, 10:27 AM   #12
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Default Re: Random restarts (and BSoD)

The HSF seems to be properly secured, atleast as far as I can tell.

I just got another reboot, after I had used the computer for a while. I checked the temperatures just a couple of minutes before, and all were under 40 degrees (celsius). Also the BSoD isn't the same as when it reboots just after startup. This time it looked like this: http://i98.photobucket.com/albums/l2...d/IMGP1197.jpg
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Old 04-09-2008, 03:02 PM   #13
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Default Re: Random restarts (and BSoD)

Did you modify anything in your Windows Systems folders?? how about windows messenger, or something else? I recommend running your windows xp cd and presssing r-repair and repair the OS. I really think its a system file modified some how
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Old 04-09-2008, 03:14 PM   #14
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Default Re: Random restarts (and BSoD)

Yeah, everyone is going towards the heating and cooling. Is this the only error that you get "System Has Shut Down."? How often is each shut down, is it happening sooner and sooner?

(ie. 30 mins...)

-Q
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Old 04-09-2008, 03:27 PM   #15
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Default Re: Random restarts (and BSoD)

I haven't modified anything in the windows system folders. First I only had a problem with the computer restarting before I logged in (it came to the welcome screen but rebooted before I could log in). Then I reinstalled XP. I had the same problem, and it also started to reboot after I had used the computer for a while. Now, it doesn't reboot before you log in, but it reboots after instead...

The time between reboots is usually a couple of hours, and it has been like that about all the time I have had the problem. I don't think it is happening sooner and sooner.

Reboot jsut after log in happens maybe one out of two or three times when I start the computer.

I agree that it sounds like it could be a overheating issue, but the temperatures seem to be normal...

Anyway, I reinstalled XP a second time tonight, so we'll see what happens. If it didn't help I'll get back to you with another post.
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Old 04-14-2008, 11:07 AM   #16
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Default Re: Random restarts (and BSoD)

Reinstalling XP didn't help, it restarted after I logged in several times in a row.

I suspect it might be the motherboard that doesn't work properly. I have almost ruled out everything else. Could a defect motherboard give problems such as this?
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Old 04-21-2008, 02:40 AM   #17
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Default Re: Random restarts (and BSoD)

It doesn't seem like it is the motherboard after all. I bought a new one, and installed it, but at startup (at the sime place the BSoDs used to come) the computer freezes, but now without BSoD. Nothing happens even if I wait for a while.

So I would say that rules out the motherboard... And it doesn't seem like it is dust issues either, since the motherboard is completely new, and I removed all dust from the other components when installing it.

Does anybody have any idea bout what it could be?
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Old 04-21-2008, 09:27 AM   #18
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Default Re: Random restarts (and BSoD)

You may have a faulty PSU or bad memory although with memory its usually a blue screen you get or beep codes.
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Old 04-21-2008, 10:03 AM   #19
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Default Re: Random restarts (and BSoD)

This problem occurs if the fully qualified domain name (FQDN) of your computer is exactly 200 bytes long. During logon, one character more than the 200-byte allocation is written and heap corruption occurs.

RESOLUTION
Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000.

thats of microsoft

http://www.techspot.com/vb/topic8356.html#

this is good t0 do
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Old 04-21-2008, 10:12 AM   #20
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Default Re: Random restarts (and BSoD)

But shouldn't the problem be solved by reinstalling the OS then? I have reinstalled it twice, and it hasn't helped. Also, I don't use Windows 2000, I use XP.

Is there any way to check if I have a faulty PSU?
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