CPU over heats and BSOD shuts computer down

March 30, 2013 at 07:29:19
Specs: Windows 7, AMD Phenom II X4 955
Cpu overheating problem

When I watch something or play a game on my computer my Cpu temperature goes up to 90-110C then BSOD comes up and shuts computer down.

Have attempted to update Bios but did not work and have cleaned inside of computer.All fans are working but do not show up on Bios except the CPU fan.

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March 30, 2013 at 08:11:46
The BIOS settings are not going to help with this problem. You have a hardware issue.

Your temperatures are too high, as you know.

Is this a new issue? Have you recently removed the heatsink/fan?

Are you overclocking the CPU?

How did you clean the insides of your computer?

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March 30, 2013 at 09:17:30
BSOD began about a week ago when I Installed a new game onto steam then that game had a BSOD.Then after every game and video I watch increases the temperature a lot.

Cleaned insides with damp cloth carefully and cleaned fans and have not installed any new hardware.

What do you mean by overclocking the CPU?

The weird thing is that I went on Bios to check fans and only 1 is working according to that but I have 5 fans that are working.

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March 30, 2013 at 09:59:13
First of all you should NEVER use water inside the case.

Overclocking means running the CPU at a higher frequency than the default.

Go to the office supply or the computer shop and buy a can of compressed air. Use it to blow out all the dust/dirt inside the case. This will be messy so you may wish to move the case somewhere else. Be sure to blow out the power supply from both ends.

You may have slightly moved the heat sink/fan assembly when wiping inside. For best results you should remove the heat sink, clean off all old paste or pad and then apply a small amount of thermal paste to the processor as described in the link below.

You don't have to use Artic silver compound. You can buy any generic from Radio Shack or any computer shop.

To answer your question about case fans. First off, the header must be monitored in the BIOS. Second, you must have a 3 pin connector and connect to the motherboard headers.

I wouldn't worry about the other case fans. That said, you should not need 4 case fans.

One 120MM or larger fan mounted high in the rear of the case is all you need in addition to the power supply. I suspect you have a case with side and/or top fans. IMO these are not good for cooling. The fans fight one another. Also, cases with BOTTOM mounted power supplies are less able to cool properly.


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March 30, 2013 at 10:15:25
Thanks for help,will try what you suggested and let you know results. Is there anything I can do in meantime to help the CPU keep cool?
When the CPU get really hot I leave the case open,is that ok?

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March 30, 2013 at 10:27:07
Running your components hot will shorten their life. I suggest you address the issue before you damage something.

Post the model of your case, if you know it. Do you have a top or bottom mounted power supply?

Leaving the cover off your case disrupts the air flow and most likely will result in hot spots.

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March 30, 2013 at 10:33:18
I think the power supply is top but don't know the model of case.

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March 31, 2013 at 18:08:08
All above is quite true. If you have a side fan blowing air into the case, disconnect it since it interferes with the airflow. One rear fan near the top blowing out is all you need. A fan low in the front blowing in is usually not needed, but acceptable and can improve flow if you have multiple hard drives down there. A top fan is usable (and occasionally needed) only if you have the bottom mounted power supply. More than that you do not need.
Fans that are connected through power supply connectors or through case mounted fan controllers will not show up in your BIOS or be detected by software.
While your last game pushed the temps over the edge, you had to have had the problem before. Use the can of compressed air as recommended, especially to clean out all heat sink fins.If this does not help, you will need to reset your heat sink with fresh thermal compound as recommended above.

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

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April 4, 2013 at 11:00:46
Have tried everything you have suggested and am waiting to see if thermal paste lowers temperature.

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April 5, 2013 at 07:58:44
"waiting to see if thermal paste lowers temperature"

There is no "waiting" involved, the results would be immediate. But the paste MUST be applied correctly. Since you list a Phenom as your CPU, you should have used the "middle dot method". All traces of the old thermal material should have been completely removed from the top of the CPU & underside of the heatsink, then a single small dab of paste applied to the center of the CPU. The paste should NOT be spread around. Just set the heatsink on top of the dab of paste & lock it in place, that's all there is to it. Here's what is should have looked like before the heatsink was installed:


If you did it any differently, you did it incorrectly.

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