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Old 2004-03-12, 00:16   #1
tony140
 
Mar 2004

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Default Pc freezes during stress test

About a month ago, the power in my house cut off while my computer was on. It destroyed the power supply, which I replaced with a new one, but since then my computer has been locking up, particularly with programs that are cpu/memory intensive (like video encoding). I think my motherboard and/or cpu might have been damaged during the power outage, but I'm not sure.

I found prime95 and ran the stress test (blend test) to help see if the cpu had errors. After about 5 minutes, my Pc locked up like it has been. My question is, does this tell me that my cpu or mobo is damaged, or could it just be freezing up like it has been?

Last fiddled with by tony140 on 2004-03-12 at 00:18 Reason: add information
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Old 2004-03-12, 00:47   #2
tony140
 
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I just ran the program with the other two tests, and it froze my pc withing 20 seconds.
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Old 2004-03-12, 21:58   #3
nomadicus
 
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Quote:
Originally Posted by tony140
About a month ago, the power in my house cut off while my computer was on. It destroyed the power supply, . . . I think my motherboard and/or cpu might have been damaged during the power outage, but I'm not sure.

I found prime95 and ran the stress test . . .
Prime95's torture test is telling you that you have a weak/faulty component(s) (most likely CPU or memory I doubt the motherboard is a problem at this time). Also, it is quite possible that component was weak/faulty before the power was cut; that's not too unusual.

Can you replace the memory and try again? If the torture test works, then it was the memory. process of elimination . . .

john
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Old 2004-03-13, 00:58   #4
Uncwilly
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If the PS is underpowered, or has cheaper fans you could have a heat issue.
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Old 2004-03-14, 03:48   #5
E_tron
 
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I think that the new power supply is at fault. Can you tell us what it is, how much power it can push, and who made it?

Also, can you tell us what kind of processor and motherboard it is?
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Old 2004-03-15, 07:19   #6
tony140
 
Mar 2004

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Here are the specs for my pc:

Xp Pro w/ SP1
Gigabyte Ga-7vrx
AMD Athlon 1.6
Crucial 256 DDR
ATI Radeon 9600 XT
80Gb Western Digital
60Gb Western Digital
Soundblaster Live Value

The power supply I think Alaxpower at 350w. I don't think it has any problems b/c it has been used without problems in another computer, and when my pc freezes, it doesn't cut off completely, it freezes the screen and mouse and I have to manually turn it off.

As for the memory, I've tested it with memtest86, which is supposed to be a very thorough test. It didn't find any errors, but I guess it could still be bad.


Just curious Nomadicus, why don't you think that the mobo is a problem? I've never had any problems from power outages and I don't really know how it affects computer parts.

Anyway, I also posted about this problem on other forums, and have tried all sorts of things to figure out what is wrong. From what I've gathered, it is most likely the CPU and/or motherboard. The lockups have been too much for me; I can't use hardly anything except for internet explorer w/o a crash. I 've been wanting to upgrade the CPU anyway, so I went ahead and ordered a new cpu. I also got a new mobo, b/c it's that's one of the most important parts, and I want to make sure that it is completely undamaged.

Thanks for the help.

Anthony
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Old 2004-03-15, 15:44   #7
dsouza123
 
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Sep 2002

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Try underclocking the CPU. I have an Athlon 1200 (Thunderbird)
At 1200 it will lock up (screen,mouse,keyboard freeze) after a while (hours),
I suspect something overheats, dropping it to 1172 it runs fine for months (24/7)
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Old 2004-03-17, 13:19   #8
QuintLeo
 
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> and when my pc freezes, it doesn't cut off completely, it freezes the screen and mouse
> and I have to manually turn it off.

That could easily be RAM or CPU, but it's one of the scenarios where I DO suspect the possibility of a bad motherboard as well.
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