Vista freezes at desktop?

Intel Intel Core 2 Duo T5850 / 2.16 GHz processor specs ( mobile )

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85 °C

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Maximum.

SLA4C (Intel Core 2 Duo T5850)

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If your CPU is consistently running at temperatures close to the maximum, or periodically shuts down by itself, use the following methods to rectify the problem:

• Verify that there is unrestricted airflow to and from the CPU's heatsink and fan.
  
  
• Move the computer away from other sources of heat, or to colder place.
  
  
• Clean the CPU's heatsink and fan. Also clean other fans that are usually attached to your computer case.
  
  
• Make sure that you use thermal paste when you install the CPU's heatsink.
  
  
• Replace CPU's heatsink/fan with a more powerful one.
  
  
• Add more fans to your case.
  
  
• Replace the computer case with a case, that provides better airflow and more extensive cooling capabilities.

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Tip: Restricting any of the laptop's vents, (such as when using it on soft surfaces like blankets or pillows), can cause it to overheat and shutdown ... so that it doesn't start a fire.

It's a good idea to run a laptop on one of these (with fans).

http://www.tigerdirect.com/applicati...0cooling%20pad

Here are a few examples of what I frequently find when disassembling a laptop that is shutting down because of overheating:

https://discussions.virtualdr.com/im.../2013/04/1.jpg

As you can see, it's often hard to tell how dirty the fan(s)/vents really are from the outside of a laptop.

And, a blast of compressed air from the outside in, will probably NOT completely solve the problem.

The solution? Disassemble, clean, reassemble.

I use a cooler pad, but it only has one fan, and I don't plug it in all the time. It is probably dirty, I have never cleaned
it, because it is a laptop, not sure how to take it apart. I found the manual, so I will open it up and clean it. I have done lots
repairs and replacements on my desktop. I replaced a mobo and heatsink fan, also processor.
I guess I will learn how to take a laptop apart now.

Thanks to all of you for the help, I really appreciate all the time you spent helping me.

I will let you know when I get it cleaned.....

Make sure to keep track of which screw goes where. If anything, you could get a piece of printer paper and tape the screws in their corresponding location. Some screws may be the same thread size, but different lengths.

Thanks to all that helped me. I got it cleaned out, it was dirty. So far it is booting up everytime, so I am sure overheating was the problem.
I appreciate all the help and the time that was spent helping.
I wanted to let you all know, you solved my problem.....

Excellent news! Thanks for letting us know. :)