2
votes
1answer
694 views

Keyboard backlight command by percentage

I want to make a keyboard shortcut to increase and the decrease the keyboard backlight brightness. The command I have for full brightness is: echo -n 100 > ...
0
votes
1answer
202 views

How to get the oBacklight solution to brightness problem working?

I can set the backlight using xrandr (although the mouse pointer stays sharply bright) but If I suspend the laptop, after waking it up it is on max brightness again. I have a Dell 17 L702x and I have ...
1
vote
0answers
313 views

Why can't I adjust the screen brightness?

I have a Toshiba Satellite laptop with an AMD 64-bit/Radeon HD video card, running Ubuntu 12.10. I can't adjust the brightness from the default maximum, neither the Fn keys nor the system settings ...
7
votes
4answers
12k views

I cannot change the screen brightness

here's my problem: Ever since I installed Ubuntu 12.10 on my computer I haven't been able to change the screen brightness, it was always set to the maximum. I did take a look at this post: Decrease ...
0
votes
1answer
1k views

HP Spectre XT screen dim (completely dark) on boot. Can this be fixed? [duplicate]

When my computer boots up, the LCD backlight is completely blank. I have to increase the brightness using the keys on my keyboard, and only then am I able to see the login screen. I'm not sure how ...
0
votes
1answer
815 views

FN + F7 don't work (before it allowed me to turn off the backlight LCD)

I thought this site could be useful but maybe I was wrong, or maybe I can't use it well (it's more likely!). Somebody can post a guide of how use properly this site? (I'm italian) But is more ...