Fan speed freezes, and hotkeys stop working. Laptop Lenovo Thinkpad L512 (2597AB2)

2012-09-13 Thread evol

I write here as I do not know to what package this problem belongs.

I've purchased LENOVO ThinkPad L512 (2597AB2) laptop, and experiencing some 
problems with
it in Linux. Particularly, after some time (it may be 10 minutes, or may be day)
buttons Fn + F1, Fn + F2, ..., Fn + F12, Insert, Delete, Home, Volume+, Volume-,
Volume Mute are no longer works (all button Fn+"*"), And it does so until one
completely cuts laptop from the power (no AC, no battery) reboot or on/off 
cycle are unhelpful.

Also CPU fan behaves strangely:
automatic the system works with management of turns of cpu fan badly and can 
lead to an overheat.

Sorry  for the bad  ENGLAND.

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Re: Re: Fan speed freezes, and hotkeys stop working. Laptop LenovoThinkpad L512 (2597AB2)

2012-09-22 Thread evol

think I understand what you're saying, but let me ask this question.
Do you mean that all only the specific keys and key combinations you
listed stop working. The rest of the keyboard and the mouse still work?



And are you saying that the system can not be forced down by holding the
power button down?


but  everything else works.


Are you able to turn off power management? What happens when you do that?


did not understand that  off?


I'll make a suggestion. If you can manage it, you should try booting the
computer with a live CD of a distro like Ubuntu to see if you see the
same problems. If not, then at least you probably don't have a hardware
problem. In that case, then this might be some kind of driver or
configuration problem.


install ubuntu 10.11 (another wasn't)
everything works perfectly.
all keys work perfectly and don't vanish.
cooling behaves perfectly.

this subject I and one more person raised here  
https://bugzilla.kernel.org/show_bug.cgi?id=27792
 


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