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[solved]lcd control disappears
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pd1986
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PostPosted: Mon Jun 18, 2012 8:03 am    Post subject: [solved]lcd control disappears Reply with quote

Hello,

I don't know what I've done to cause this, I could no longer find the lcd control in
Code:
/sys/class/thermal/

So my lcd brightness works only at the lowest level.

It worked very well before. I updated the kernel to 3.4.0 several days ago, but I thought the lcd worked well at that moment.
Then today, it remains at the lowest level.

Could anyone give some advice please? Thanks

Let me know what information you need


Last edited by pd1986 on Mon Jun 18, 2012 1:23 pm; edited 1 time in total
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pd1986
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PostPosted: Mon Jun 18, 2012 8:07 am    Post subject: Reply with quote

I think it worked well too yesterday. I updated gimp to 2.8.
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pd1986
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PostPosted: Mon Jun 18, 2012 9:28 am    Post subject: Reply with quote

well found the problem. But, there is still not the lcd control.

Yesterday, I entered the windows to use Photoshop, then when I shut down the laptop, the system did the update automatically. Then I entered my Linux system without going to windows to finish the configuration. It made the problem I mentioned before. Just now, I thought this may cause the problem, so I returned to windows to finish the trick then I get back to Linux, the lcd brightness stays at the highest level. However, there is still not the lcd control. it is too glare now
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pd1986
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PostPosted: Mon Jun 18, 2012 1:23 pm    Post subject: Reply with quote

I don't why, I recheck my apci configuration in kernel, I found that the video module isn't choosed. I am pretty sure that when I updated kernel, I chose that.

In addition. it's also interesting that windows update interferes the lcd brightness.
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