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Can I remove and put back the heatsink of my processor without reapplying thermal paste
Is it insane to replace a CPU without replacing the heatsink?

Can I re-use my heatsink/fan that is currently on the motherboard with this new Intel e5300 CPU ? I know both CPUs are socket 775 based CPUs. I have a 2.4 GZ single core Intel chip currently. Also would I be able salvage the thermal paste or should I just buy new paste?

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marked as duplicate by heavyd, random Mar 31 '10 at 23:27

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
possible duplicate: superuser.com/questions/72567/… .. or .. superuser.com/questions/84775/… .. @jeff, do those questions answer your question? –  quack quixote Mar 31 '10 at 15:17
    
Ok thanks, I guess I need to replace it –  jeff Mar 31 '10 at 15:38
    
@jeff: definitely the paste; the cooler (heatsink/fan) too, unless it's an aftermarket cooler rated to handle the new CPU. you might even want to replace the fan anyway, just to avoid worn moving parts on the old one. –  quack quixote Mar 31 '10 at 15:49
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@quack, close as dupe then? –  heavyd Mar 31 '10 at 17:08