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+--- Thread: Brightness Keys (/showthread.php?tid=4426)
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Re: Brightness Keys - TheDead - 09-11-2017
Just adding my two cents, I had laptops that had a "lock/disable" brightness function in the BIOS configuration, some even had a physical Brightness lock "switch" (rare).
Other laptops had brightness control disabled while power adapter was unplugged (or plugged can't remember).
Or, worst case is that it's a Windows "software" only function that "faked" the brightness output just darkening the display and not lowering the power to the backlight of the screen. I guess this would only applies to really low-quality laptops and not Asus...(?).
-TheDead (TheUxNo0b)
Re: Brightness Keys - TheDead - 09-11-2017
Well, I guess my suggestions were maybe irrelevant, found this :
https://itsfoss.com/fix-brightness-ubuntu-1310/
(If the F50 has an Intel graphics card).
Cheers!
Re: Brightness Keys - torreydale - 09-12-2017
[member=6733]TheDead[/member] ,
I'm following this thread. I came across something similar with a Toshiba Satellite laptop (a L755, I think). Worked fine with LL 2.8 64bit. Moved it to LL3.6 64-bit; was fine until a couple of reboots later. The screen was very dim. No response to brightness keys. I have a workaround now where instead of fully dim, it is fully bright. I'm looking for a permanent fix. I will try what you've linked to, and if successful, I will report back. It looks like a good link with a concise combination of the approaches I've seen in multiple links.
Fingers crossed.
Re: Brightness Keys - torreydale - 09-27-2017
I was about to do these things, but the machine got better on its own as mysteriously as the problem appeared.
Re: Brightness Keys - TheDead - 09-27-2017
Lol, maybe it's a defective backlight.
Don't forget to say a big thanks [member=458]m654321[/member] though
Cheers!