The Dell XPS M1330 model has many reports of motherboard failure due to
overheating of the nvidia 8400M GPU. This has been addressed in part by
the new A12 BIOS, which runs the system fan more actively, so increasing
the lifetime of the GPU.

This bug is a different problem: the GPU temperature increases
significantly following one of the recent ubuntu/kubuntu updates. The
fan kicks in because the A12 BIOS senses the higher GPU temperature.
However, the BIOS is merely trying to stop the GPU overheating, it is
not the cause of the problem.

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Latest nvidia driver for Interpid (x64) makes my fan spin all the time.
https://bugs.launchpad.net/bugs/280805
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