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[server] fun speeds with no reason and computer shuts down blinking

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linux-howto

http://ubuntuforums.org – Hi everyone, I have a simple Ubuntu server on a Dell desktop serving only the basic services (web server,mail,ftp,ssh etc). Always up to date. I've been experiencing two problems that I think could be linked: First of all, sometimes the fan goes off speeding crazily with apparently no reason. If i check with htop, I see the CPU is used at 0% by all processes. Maybe some processes could be hidden? Second, at very irregular intervals, the computer just turns off (doesn't shut down properly) and the front led start blinking orange. The strange thing is that the BIOS is set to restore the state (Hardware)