[Blitzkreig75]

Quote:

Originally Posted by miriam

....So I got my hair blower out and set it to cool. I aim it on the back of the pc while I install windows, and it did not freeze through the whole installation. After the installation I restarted the pc and it froze when it got to the desk top. I turn the pc off and turn it back on with the blower blowing in the back, and it does not freeze. What could this be? The pc only works as long as I have the blower on

Based on that, I'd guess that your fan on the CPU Heatsink has quit working.