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Cleaned my PC, sudden FPS drop

Hello,

Today I cleaned my PC to get rid of the dust inside. I removed a cooler to clean it and placed it back after cleaning the entire inside.

I used to have good FPS in all games (60+ in LoL for example) but suddenly I can't play anything anymore, getting max 10-20 FPS in almost every game. Even browsing the internet goes extremely slow at some points.

Does anyone know what I did wrong? Maybe a cable came loose or I triggered something wrong.
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  1. Best answer
    You may have bumped your graphics card or RAM and unseated it. Try removing and reinstalling your RAM and graphics card and see if that fixes anything.
  2. "I removed a cooler to clean it and placed it back after cleaning the entire inside."

    Did you replace(re-apply) thermal paste?
  3. Check your CPU temperatures. As ss202sl says, did you reapply thermal paste? Also, the CPU cooler screws need to be tight, or the CPU will get hot and slow down to prevent overheating(what is known as thermal throttling).
  4. s4in7 said:
    You may have bumped your graphics card or RAM and unseated it. Try removing and reinstalling your RAM and graphics card and see if that fixes anything.


    I think I managed to solve my problem. Probably just bumped into something while I was cleaning it.
    Unplugged both graphics card and RAM, removed some more dust, and re-applied them + double checked all cables.

    Seems that my PC is even faster now ;)

    Thanks for the help.
  5. Glad I was able to help!
  6. Well, that's good.
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