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Old 11-03-2010, 02:10 PM   #1
Registered: Oct 2007
Distribution: Gentoo, Slackware
Posts: 162

Rep: Reputation: 16
Lenovo Thinkpad L512 fan problem, gets really hot

The problems occurs in Windows and Linux, therefore I updated the BIOS from version 1.16 to 1.20. Now the problem is over, the fan works again like it should. I will monitor the temperatures the next few, just to be sure.

Last week I bought myself a Lenovo Thinkpad L512.
The same day I installed Gentoo Linux and started tweaking acpi.

After a fews days I got the machine to run very cool, it uses around 9 Watts idle.

However today (after playing some Scorcher in Dosbox, first time after switching dosbox option output=surface to output=opengl) I noticed that the videocard / processor became really hot. So i immediately did 'rmmod thinkpad_acpi' and 'modprobe thinkpad_acpi fan_control=1', and started the fan on top speed.

After a reboot I started the game again (however now with output=surface in the dosbox, instead of output=opengl). Still the fan didn't start automatic.

I'm sure the was autocontrolled before. I have no idea what the problem might be.

If you need more info, I can post it here.

I hope you can help me, as I think this is a very big problem.

Last edited by konqi; 11-04-2010 at 04:23 AM.
Old 11-04-2010, 08:02 AM   #2
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Registered: Apr 2007
Location: Germany
Distribution: Slackware
Posts: 3,979

Rep: Reputation: Disabled

you should mark this thread as "solved"!

Old 11-04-2010, 12:52 PM   #3
Registered: Oct 2007
Distribution: Gentoo, Slackware
Posts: 162

Original Poster
Rep: Reputation: 16
I didn't even know it was possible to do that, however, it's solved now.


acpi. thinkpad, fan, hot, lenovo

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