Do i need to to clean CPU before installing new cooler

I am upgrading from a stock 8350 fx cooler (which didn't use thermal paste), to a hyper 212 cooler master.

Do i need to wipe it with the alcohol stuff, or is that only if your previous cooler had thermal paste? as my stock one didnt.
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  1. If the previous cooler didn't have paste, it used a thermal pad....that pad was solid and room temp and then turned to goo the 1st time ya turned it on. So yes, wipe it clean w/ 99% isoprophyl alcohol.
  2. Whatever was there before...you need to clean it to bare metal.
  3. wipe with alcohol rag/wipe, air dry, apply new thermal paste, spread evenly with credit card.

    (learned the hard way)
  4. shadow32 said:
    wipe with alcohol rag/wipe, air dry, apply new thermal paste, spread evenly with credit card.

    (learned the hard way)


    What happened?
  5. MatTech said:
    shadow32 said:
    wipe with alcohol rag/wipe, air dry, apply new thermal paste, spread evenly with credit card.

    (learned the hard way)


    What happened?


    Sorry for late reply, um...I can't remember exactly what it was, I think it was something with the thermal paste I forgot to remove in the past on one of my first builds I ever did. It got mixed in with the new paste and got too hot.


    And to revise the method I posted above:

    The pea sized amount of thermal paste in middle of CPU is the best method. I've tried them all.

    CPU: pea size in middle

    GPU: evenly spread not too thin, and not to thick layer while wearing a glove. Then use credit card/paper to spread it evenly.

    Pea method is best on CPU's since the cores are all in the middle on modern CPU's.

    I found with GPU the spread method gives lower temps. I'm still looking into this to confirm. If you don't know how to do the spread method properly, just use the same method as a CPU with a little bit in the middle.
  6. Best method varies by type of cooler.

    pea size is recommended for round coolers.....problem being most people have different ideas as to how big a pea is since they have wide variation in size

    http://archive.benchmarkreviews.com/index.php?option=com_content&task=view&id=170&Itemid=1&limit=1&limitstart=3
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