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Just need comfirmation that overheating is slowing my computer down.

So recently games on my laptop have been slowing down after 2 to 10 minutes of play. My cpu is a Intel Core 2 duo which is pretty terrible but it can run some games ok with everything low. After reading several threads on these forums I'm fairly sure that this is because it is over heating, but I'm not really sure how high it has to get. I was playing dishonored and it runs pretty well considering until it slowed down pretty badly. On the image below from speedfan the purple line is where is started lagging



So, Is it an overheating problem and if so what should I do? I can see no other programs taking up a lot of cpu power and I have 8 gigs of ram of which 3 gigs is taken up at most. I have no virus protection enabled on start up but I do scan my disk and registries often and I've defragged my hard drive already.
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  1. Best answer
    That is most likely due to heat, the best thing you can do is take off the back panel of the laptop and use some compressed air to get all the dust and hair out of it. Thats the main killer of laptops and usually causes the issues like this.
  2. Gam3r01 said:
    That is most likely due to heat, the best thing you can do is take off the back panel of the laptop and use some compressed air to get all the dust and hair out of it. Thats the main killer of laptops and usually causes the issues like this.


    I finally got round to cleaning it today, and it hasn't changed. Whats more is that I can't seem to actually hear the fans at all!
  3. Can you access any of the fans? If so you can see if they are all clogged up.
  4. Gam3r01 said:
    Can you access any of the fans? If so you can see if they are all clogged up.
    I can see them and they aren't, when I used the compressed air they span fine..
  5. If you can try to spin them while the system is running to get a boost going, if that didnt work then the fan connector most likely unplugged or simply shorted out so the fans are no longer working.
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