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Computer shut down

My computer shut down after about 1 and a half hour of working. I do not use it much. Only Word and internet but it shuts down after 1 1/2 hours. The system is AMD 64 3000.

Any idea is appreciated.
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amoe
Asked:
amoe
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1 Solution
 
philby11Commented:
Hi there,
is there any errors in the event viewer that might give us a clue as to the fault?
Have you checked that all the fans are running inside?
Try installing "Everest home edition" http://www.lavalys.com/products/download.php?dlid=1&lang=en
this will read your voltages & temperatures to see if anything there is the problem.
Also check that the mobo has no swollen or leaking capacitors on it.
cheers
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wordartistCommented:
Is it idle when it shuts down?  What version of Operating System?  If Windows, check the Power configuration in the Control Panel
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Diane258Commented:
does it shut down while you are useing it? or does is shut down after you leave it alone for awhile.
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MrBillisMeCommented:
If the machine is not set up to shutdown under right click desktop/properties/sceensaver/advanced then I would suspect heat may be a problem. Your processor will generate a subtantial amount heat so make sure the fans are turning and the ventilation openings are not blocked.
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onedeejCommented:
I think you have a bad PSU, swap it with a decent one with about 2-3 times the power rating you actually need, and you will have fixed your issue
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nobusCommented:
dust out your PC, and clean the fans and vents (cpu fan too)
check if the heatsink is seated well on the cpu
while you're at it, test the memory with memtest86+ from :   http://www.memtest.org/
and run a disc scan for errors
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NickGT20Commented:
you have a faulty power supply. You should replace the power supply
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amoeAuthor Commented:
It is a new computer. Power supply is 400W, the heatsink fan is working. It shuts down while I am working on some applications.
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FelixMagCommented:
Try going to power options in control panel. Change all the setting to never also disable hibernate. You can also disable the power options in the bios
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FelixMagCommented:
Try to remove the film/mica-paper from the processor and apply some thermal paste to the processor.
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FelixMagCommented:
Also right click on my computer -> advanced -> Startup and Recovery - Settings then uncheck 'Automatic Restart'.  
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philby11Commented:
If it is a new PC then take it to the store & let them sweat it out but if you are inclined to have a crack at it then Nobus' suggeestion of testing your RAM is a good one.
this is a slow test so start it up & enjoy your weekend.
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onedeejCommented:
Try and swap the PSU, even new PSUs come faulty, also take off the side of the computer then run it, or even better yet, leave that case cover off, and place a fan next to it directing air into it, this will cool it, you may be experiencing heat issues, but likely it is a Power Supply problem.
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Pauli150Commented:
Try another power source but I see no reason for the 1 1/2 hour delay with a power source.

CPU's, when not adequately cooled, can restart the computer. It is a modern CPU so its going to be running very hot. The reason that this might not be plausible is the fact that you don't do much on your computer. Take out the heatsink and make sure there is a silvery goo between the heatsink and the CPU, and then make sure the CPU fan is always running when its on. It would have to be a serious cooling problem for you doing such little work for the CPU to get over heated.

And to FelixMag, if that suggestion works he'll simply get a blue screen instead of restarting.
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amoeAuthor Commented:
I do 2 things at the same time; typing in MS Word and recording sound from cassette. It shut down in about half an hour.
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nobusCommented:
you can check for orrors in the event log, or in device manager.
However, if it is a NEW PC, i would turn it in for a warranty replacement.
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amoeAuthor Commented:
I built the system. I took of a sound card and a case cover. It is now working ok. I can record sound now. Would that be a power supply problems or CPU?
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nobusCommented:
with your system, you should be able to do 4-5 things at the same time, provided you have at least 512 Mb Ram.
You can calculate the power you need here (allow for a 20% margin to be safe) :

http://www.jscustompcs.com/power_supply/      
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MrBillisMeCommented:
"I built the system. I took of a sound card and a case cover. It is now working ok. I can record sound now. Would that be a power supply problems or CPU?"

???Does this mean you removed case cover and system is running OK now????
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amoeAuthor Commented:
yes
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nobusCommented:
then your case touched something, or you disturbed a cable by removing it.
So check all cables and all cards if they are fully seated. - with the power off, of course.
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