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I have dell inspiron q17r with two graphic cards and I noticed that it is overheating. I installed bumblebee, jupiter and flashblock, I followed this: http://techhamlet.com/2012/05/ubuntu-how-to-fix-over-heating-of-laptops-with-switchable-graphics/ and right now my laptop temperature is 64C. Is there anything more I can do? Because it still doesn't reallly seem to be working well. Fan is going really fast..

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    you might have better luck getting an answer to this on superuser.com
    – Mgetz
    Jun 28, 2013 at 14:05
  • ok, ill try there.
    – Mati
    Jun 28, 2013 at 14:14
  • Is it hotter than a iMac?
    – devnull
    Jun 28, 2013 at 14:23
  • Ok, so I found something. It is heating because of "pci=noacpi". But without it I can't run Ubuntu ( only a purple screen appears while loading and that's it ). So..Anyone knows what's wrong?
    – Mati
    Jun 28, 2013 at 15:55

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It looks like your computer does not have ACPI fan control enabled. Try booting with acpi=ht, acpi=noirq, pnpacpi=off, noapic, and nolapic (one at a time) and see if any of those work. Does your computer still overheat with those parameters? If so, you may want to consider using a cooling pad.

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