Tagged Questions
1
vote
2answers
110 views
Backlight can't be adjusted 13.04
In Ubuntu 12.04 i was able to change the brightness of my laptop screen by using the FN + Rightarrow
all i had to do for that was include
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
1
vote
0answers
192 views
Unable to change the brightness on my Dell XPS 15 (L502X)
I am using ubuntu 13.04 and I am unable to change the brightness on my laptop and need a bit a help.
1
vote
2answers
1k views
ubuntu 13.04 brightness problem on laptop
I have installed Ubuntu 13.04 and the proprietary AMD catalyst driver 13.4.
After installing the driver, the brightness of the screen has turned to the lowest and can not be changed. No matter how I ...
2
votes
3answers
963 views
How to make the brightness keys work on an HP Folio 13?
In my HP Folio 13 laptop with Ubuntu 13.04 the brightness control works with the slider in the system Brightness & Lock settings, but the brightness function keys don't. Also, the brightness level ...
0
votes
0answers
101 views
Setting screen brightness with xbacklight on screen resume
I'm using a solution of setting the brightness with xbacklight as a startup application script since the brightness keys are not working properly.
However: When the screen resumes from 'turn screen ...
0
votes
0answers
82 views
Laptop screen goes weird when altered brightness, Ubuntu 12.04
I am using dell Studio 1558 laptop. When i alter brightness(reduce or increase) screen goes weird (pic attached) and I have to hard reset. Any Ideas/solutions?
I am using ATI Mobility Radeon HD 5400 ...
3
votes
1answer
89 views
How do I decrease the display brightness an Acer 5830TG?
I am facing a problem with display brightness in ubantu or other versions of linux. Runing a linux distro as live or HDD installation or inside installation, display brightness is automatically set to ...
0
votes
0answers
238 views
Screen brightness doesn't change (Ubuntu 12.04, HP Elitebook 8560w)
I have a HP Elitebook 8560w and I installed Ubuntu 12.04 on it. I can't adjust the screen brightness even though I can use the slider to lower the screen brightness, it doesn't have any effect. I ...
3
votes
5answers
552 views
Brightness function keys not working
I have an ASUS X55A-SPD0204O laptop. The rest of the FN+Fx (where x = number) like sound + - mute, screen turn off, wireless etc. work perfectly.
The problem is with the 2 brightness keys. They just ...
0
votes
1answer
65 views
If not in charge monitor decrease brightness when not active [closed]
On my notebook I've installed Ubuntu 12.10. If not connected to the power supply after few seconds of inactivity the system will decrease the brightness. The problem is that as soon the computer is no ...
1
vote
0answers
131 views
How can I change brightness on Toshiba Satellite c855-21m?
I can't change the settings for brightness. In fact, it doesn't matter if the Fn keys work or not. I would like just to decrease brightness.
For example, using brightness-indicator I get a message ...
0
votes
0answers
86 views
I'm not able to calibrate color or adjust brightness in my screen
hello everybody i'm a proud newbie on Ubuntu, I have a Toshiba Satellite M505, since I installed Ubuntu on it, I haven't been able to adjust brightness. any ideas everyone?
0
votes
1answer
342 views
Changed Laptop Screen (Thinkpad), FN-Key Brightness control stopped working
I just replaced the broken screen on my Thinkpad Edge 13".
Now the brightness-adjustments via the FN keys don't work anymore (the brightness indicator bar goes from Low - Full, but nothing actually ...
0
votes
0answers
157 views
Thinkpad W520 brightness modification requires suspend
I have a Lenovo Thinkpad W520 with 12.10 installed on it. The specifics are:
Linux corellia 3.5.0-19-generic #30-Ubuntu SMP Tue Nov 13 17:48:01 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
It works ...
3
votes
2answers
2k views
Brightness Problem Gradually Changing At Every Restart
I am using Ubuntu 12.10. Whenever I restart my Laptop my system brightness is changing.What settings should I make so that brightness doesn't change on every restart
1
vote
1answer
842 views
Regulating brightness using Fn-keys
I have a laptop with the newest Ubuntu-version (12.04). I want to use the FN-Keys to adjust the brightness of my screen, but it doesnt work. Normally it should be FN+left arrow/right arrow. However ...
1
vote
0answers
23 views
Samsung RV520 with 12.04 freezes while having WiFi and brightness control issues [duplicate]
Possible Duplicate:
What should I do when Ubuntu freezes?
I have a new Samsung RV520 and have just installed Precise Pangolin 12.04 LTS.
I am having serious problems now with the wifi ...
1
vote
1answer
480 views
Can't adjust brightness
I have a Toshiba Satellite A105-4244 (Intel Chipset+Integrated Graphics) and I can't adjust the brightness. Neither the buttons nor the system settings/brightness and lock work.
Also I tried the ...
0
votes
0answers
143 views
How do I prevent Ubuntu from changing my screen brightness level?
On my laptop FSC Esprimo M9400 I had problem with backlight. I used this advice How do I prevent Ubuntu from changing my laptop screen brightness level? but I had not success.
I edited /erc/rc.local. ...
0
votes
1answer
918 views
Brightness Controls doesn't work in HP G62 (Ubuntu 12.04)
I have installed Ubuntu 12.04 and I think everything is working except for the brightness controls of the laptop. Please answer.
0
votes
0answers
656 views
Screen very dim during installation with an Acer Laptop
I just installed Ubuntu 12.04 and everything seemed to go correctly except that the during the installation the screen was very dim, and i just kept going with the installation. So then I finished the ...
0
votes
2answers
2k views
Function keys are not working on Toshiba Satellite L510 so brightness control is not possible
I am using Toshiba L510 AND Ubuntu 12.04. I Cannot control brightness of my system using function keys. What could be the cause?
6
votes
4answers
5k views
Screen Brightness Stuck on high on an HP dv7t laptop
I have an otherwise fully-functioning install of Ubuntu 12.04 on my HPdv7t laptop.
When I press the 'brightness buttons' on the keyboard the associated images appear on my screen to say I am ...
3
votes
1answer
2k views
Why does Ubuntu reset brightness settings at the loading screen?
Since I first installed Ubuntu 11.10, I noticed that volume and screen brightness get reset every time Ubuntu starts.
Why is this so? And what ways are there to keep brightness and volume levels ...
0
votes
1answer
50 views
Backlight on a Dell M1330
On my Dell M1330, there's 7 or 8 levels of backlight, but hitting [Fn]+[Up] and [Fn]+[Down] changes brightness level about 3 notches.
Any suggestions to make it change it only 1?
1
vote
0answers
788 views
The brightness gets reset after unlocking
I'm getting this annoying behaviour (didn't occur on any of the previous releases), every time the display gets lock after typing the password the brightness is reset to 100%. But when I open the ...
1
vote
1answer
1k views
Brightness Hotkeys Only Slightly Work
I just installed Precise on my Samsung Laptop (QX412-S01au, using Ubuntu 2D). The brightness hotkeys sort of work:
Adjusting the brightness using the slider in the control panel works just fine
...
0
votes
2answers
3k views
How to make my screen brightness not change when I plug my laptop in
I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I set my brightness based on how bright my surroundings are. If I am in a dark room, I set my brightness ...
1
vote
2answers
3k views
no back light on my acer aspire 5734z
I installed Ubuntu (12.04) on my acer aspire 5734z and the back light stopped working. I have tried the fix by editing the grub file posted on here a couple of days ago but that hasn't fixed it. I ...
0
votes
1answer
5k views
How can i make Brightness Control work?
I have Xubuntu 12.04 with latest updates on Toshiba Satellite A210-15K laptop
semen@bloknot:~$ uname -a
Linux bloknot 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012 x86_64 x86_64 x86_64 ...
0
votes
1answer
376 views
Why would screen brightness not adjust ofter closing laptop lid?
Brightness adjustment works until I close my laptop. After I close it once I cannot adjust the brightness.
I often restart the computer to be able to adjust again.
The Fn Keys do not work. The ...
0
votes
2answers
1k views
Cannot change brightness on an Acer Aspire 5745-dg [closed]
I have an acer aspire 5745dg laptop and i have also a very serious problem!!
My brightness is always at maximun and I cannot change it with the fn keys or from the power management and my battery ...
5
votes
3answers
571 views
Brightness keys adjust brightness too many times
Every time I hit a brightness key on my laptop's keyboard, it adjusts the brightness by three steps instead of one. How can I fix it so that it only adjusts one step at a time?
I am using an Acer ...
3
votes
2answers
1k views
No brightness control, HP dv3500 laptop / GeForce GPU
I feel almost stupid asking a brightness question with all the similar ones out there, but I haven't yet found a working solution, so here goes:
System
HP dv3500 series laptop (dv3550eo - ...
1
vote
0answers
931 views
How can I adjust the screen brightness on my laptop via Fn buttons? [closed]
When I press the Fn+F5 or Fn+F6, the sliders goes up or down, but the brightness won't change. I had the same issue on the Lucid Lynx, but I could fix adding ”quiet acpi_osi=Linux ...
0
votes
3answers
2k views
Cannot change screen brightness on my lenovo z 570?
I am not able to change the screen brightness on lenovo z570.
Even the function keys for the brightness are also not working. Any idea ?
0
votes
3answers
1k views
Cannot adjust brightness on on an LG laptop with an Nvidia card
I'm currently using a LG laptop with Nvidia Cuda GeForce GT 335M.
I have difficulty adjusting the screen brightness using FN+Arrow Up/Arrow Down. The brightness indicator will appear and the bar will ...
1
vote
3answers
772 views
Screen brightness not changing on a Packard Bell tx86 [closed]
I'm currently running ubuntu 11.10 on my Packard Bell tx86 when I try and use the fn key to change brightness, the icon thing appears in the top corner of the screen and the bar increases/decreases in ...
0
votes
2answers
523 views
LCD brightness step on T520 with Ubuntu 11.10
On Lenovo T520 combination Fn + Home/End for increasing/decreasing screen brightness works perfectly out-of-box but with the step = 3. It's too coarse (HW values are 0..15).
How to change the step to ...
2
votes
2answers
1k views
Why doesn't my laptop screen brightness go down when unplugged after 11.04 to 11.10 upgrade?
As stated above, after the upgrade to 11.10 my laptop no longer dims the screen when I go on battery power. Why?
1
vote
1answer
1k views
Can't decrease/increase brightness on Samsung NP300V3A more than 1 step
I just installed Oneiric on a SAMSUNG NP300V3A (Series 3) laptop. Everything seems to work fine more or less except one thing:
I can't reduce screen brightness more than 10% or so. Fn+F3 (brightness ...
3
votes
1answer
856 views
Must close and open laptop lid to recover from screen turn-off on an Acer Aspire 5740
I have an Acer Aspire 5740-5780 laptop with ubuntu 11.10. I don't have the more common problem of the black screen on boot. Rather, under System Settings..., in Screen, under Brightness, with the ...
5
votes
5answers
6k views
Can't adjust brightness on my MSI VR420 laptop
Using every method possible I'm unable to change my laptop brightness.. It's stuck on super max brightness.. Using the slider in the "screens" window int he control panel doesnt do anything, and using ...
0
votes
1answer
1k views
how to have the brightness icon displayed on acer laptop screen
I used to have a meter icon displayed on my Acer laptop screen when changing brightness or volume with the hotkeys - it would show the level of adjustment. I don't know what has been turned off or ...
7
votes
4answers
10k views
How do I set default display brightness?
Is it possible to set the default display brightness so you don't have to re-adjust it everytime you reboot? My laptop display is killing my eyes at the login screen already because it starts at 100% ...
1
vote
0answers
924 views
Screen brightness stops working after standby? [closed]
So, I just bought a new laptop yesterday (Toshiba Portege R835-P70) with an Intel graphics accelerator and installed Xubuntu 11.04. Everything works fine except after waking from standby. The screen ...
3
votes
2answers
606 views
how can I force the screen to stay at maximum brightness in a laptop running on battery?
I have a laptop with Intel integrated drivers running on battery and I would like to force the screen to remain in maximum brightness even when it's idle, for example, when reading a document without ...
18
votes
6answers
18k views
Unable to change brightness in a Lenovo laptop
Brightness adjustment keys <Fn + ⇑/⇓> have no effect (although they are recognized by the environment), and I can't change the brightness using GUI tools as well. This seems like a problem in ...
1
vote
2answers
4k views
Laptop Brightness Problem on Toshiba Portege R705-P35
Basic Specs:
Toshiba Portege R705-P35
13.1" screen
Intel HD Graphics
4 GB RAM, Core i3 2.4 GHz
Dual Boot Ubuntu 11.04 and Windows 7 (using grub bootloader)
Basically, Ubuntu recognizes me ...
2
votes
2answers
2k views
How to handle brightness trouble on dell inspiron i14R-2265?
Recently I've installed Ubuntu 10.10 32-bit on my Dell Inspiron i14r-2265, but it looks like brightness control is not working. I can change it "programmatically" (FN + brightness key), though actual ...
