win 7 shuts down after 5 minutes

February 25, 2012 at 19:53:35
Specs: Linux x86_64)
My HTPC running win 7 ultimate, AMD chipset shuts down after about five minutes. It was working for for about 8 months and just started shutting down last week. The graphic drivers updated and I thought this could be the problem but I reloaded the old drivers and the same thing happens. I have downloaded a few programs from the web which reckon they can fix probs but no luck. I have virus checked it and malware checked it and only found a measly adware, which i deleted. The strange thing is that it works in safe mode without shutting down which indicates that it isn't overheating. I've checked everything I can find but nothing has worked.

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February 25, 2012 at 20:31:25
Have you cleaned your PC .. inside. This sounds like a heat issue. When computers begin to get to hot they shut down automatically to prevent damage. Typically not long afer shutdown they will be cool enough to restart only to have the heat build and shut down soon after.

Besides can compressed air , if you have a vacuum cleaner that you can hook up to blow air then that will work.

When a computer is running in safe mode many processes/programs are not running which means your processor is not being stressed and running cooler.

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February 25, 2012 at 20:37:19
Double check temperatures with Speedfan or HWmonitor.
Did you run Malwarebytes in Safe mode? If not then do it.
Understand that in Safe Mode you are running generic windows VGA driver. This could mean a driver issue still, but if you rolled them back, probably not. That leaves a possible power supply issue or an underpowered graphics card. List your system specs with special details on your graphics card and power supply (make, model, Wattage, Amperage on your 12 Volt Rail(s)).
Post info and results.

You have to be a little bit crazy to keep you from going insane.

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February 26, 2012 at 13:30:10
It is clean and dandy inside. Thats the first thing I looked at. It doesn't shut down in safe mode so that pretty much rules out overheating.

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February 26, 2012 at 13:38:13
Temps all look OK. It is a confined case so it does run pretty hot but that is the way it was designed. it's an HTPC in a case that looks like a DVD player. It's tight in there but has been fine for 8-9 months. It is only now it has started playing up. Not that it's been perfect for all that time there have been some hassles. It is windows after all.

I have tried removing all usb devices, stopping extraneous startup items, to relieve the load on the processor/system etc with no noticeable change.

Yes I have run malwarebyte in safe mode without any serious issues. I keep a pretty tight ship on this one and don't add stuff willy nilly.

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February 26, 2012 at 16:04:16
I had an issue with a PC that did about the same thing and the cause seemed to be bad ram. On mine when I upgraded to 8gb the would crash every 5 minutes.

Although the ram checked out with tests once I replaced it with the original 4gb it ran fine.


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