How can I test that a CPU works? Can I run it without a heatsink?

gary king

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Mar 5, 2013
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I've got a fully built PC. I plan on upgrading the CPU, and I am going to sell it. I took off the fan, and cleaned the thermal paste from the CPU.

Can I put the CPU back into the motherboard, then turn on the PC, to see if the CPU works, even without a fan? I just want to ensure that when I cleaned the thermal paste, I didn't accidentally damage the CPU in some way. If the PC doesn't boot with the CPU installed, then I assume the CPU is damaged. If the PC boots, then I should assume that the CPU is fine? Can I just run the PC without a heatsink for about five seconds? Or is that not enough time to determine that the CPU is good, or too much time without a heatsink?

I really don't want to damage a CPU that I'm about to sell, that's for sure. My instinct, though, is that running the CPU without a heatsink, even for a few seconds, is a terrible, terrible idea.
 
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liquid wont really damage it, as long as you make sure its completely wiped off before inserting into a new mobo. Also thermal paste cleaners are mostly alcohol anyways, and they evaporate almost instantly.

gary king

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Mar 5, 2013
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Yeah I figure it would be a terrible idea. For the CPU, I used the special cleaning solution from Arctic Silver (the two-step process). There was some thermal paste on the side so I wiped those too, but I didn't touch the pins at all. Although I don't think that the Intel CPUs technically have "pins"? It seems like the motherboard is the one with the pins?
 

oczdude8

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liquid wont really damage it, as long as you make sure its completely wiped off before inserting into a new mobo. Also thermal paste cleaners are mostly alcohol anyways, and they evaporate almost instantly.
 
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