From: "Simon Greenwood" <sfgreenw...@gmail.com> That is very similar to my problem: both Flash and Java apps caused exponential CPU usage. Shutting down everything would cause the machine to settle down but it wouldn't become stable until a full reboot. I would suggest checking to see if there's a BIOS update for the machine as I've just done that and it's seemed to resolve the heating issues that I had that apparently came from the Nvidia GPU. Also you don't mention the version and architecture of Ubuntu that you're using which might be useful to know. I managed to update the bios last night. I've done a couple of tests after that and so far it looks good. I'll keep my fingers crossed. Thanks to everyone who responded! Rossen
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