Questions related to screen brightness.
2
votes
0answers
109 views
Brightness Problem Ubuntu 12.04 [duplicate]
I've installed Ubuntu 12.04 on my Asus Eee Netbook. It has a Cedar Trail processor. It has a brightness problem. I can't change the brightness. It is always dimmed. How can I solve this problem ?
2
votes
0answers
144 views
ATI HD 6320 ASUS Brightness doesn't change
When i press Function + [F5 or F6] to increase or decrease the brightness,
the adjustment display on top right pops out and the slider moves but the screen brightness remains the same.
i've done ...
2
votes
0answers
90 views
How to adjust brightness in games with Radeon driver?
I recently installed Lubuntu 12.10 on an older laptop, an HP Pavilion zv6000. It runs GREAT with one exception. I am unable to adjust the brightness in any games.
I realize I am stuck using the open ...
2
votes
0answers
57 views
How to change screen brightness based on screen colors?
I would like to know if there is any way to change the screen brightness based on the screen predominant color.
For example if I am browsing a web page with a lot of white color decrease the ...
2
votes
2answers
396 views
Unable to change Screen Brightness on Toshiba Laptop Ubuntu 12.04
I have a Toshiba Satellite C655D-S5209 with Ubuntu 12.04. I am unable to change the screen brightness. Fn+F6 and Fn+F7 move the brightness indicator, but actual brightness does not change.
I have ...
2
votes
1answer
102 views
How can I enable brightness control on my iMac 11,3?
I have Apple iMac 11,3 (27" LED, purchased in 2011) with a Radeon HD 5750 graphics card. When I installed Ubuntu 12.04 LTS, everything works fine except brightness control. I want to mention that I ...
2
votes
0answers
121 views
Does Brightness Control not work on desktop environments by design?
I am using Ubuntu 12.04 on a desktop and on a netbook. On the netbook, the brightness control works fine out of the box via GUI and hot keys. But on the desktop it does not. In the "Brightness and ...
2
votes
1answer
1k views
Controlling Brightness in Sony Vaio SVE151A11W |Not Working|
Disclaimer First:
I have gone thorugh these following threads here and followed all of
their advice but none of them worked
Brightness Control Problem on Sony VAIO with NVIDIA GT-320M
unable to ...
2
votes
1answer
452 views
Asus N56vz brightness setting changes (dims) after reboot or waking
I normally have the brightness set to max or near max (at least 80%), but each time I reboot or wake from sleep, the display brightness resets to minimum.
There are other similar questions here, but ...
2
votes
0answers
239 views
Display problem when adjusting brightness in ubuntu 12.04
Recently I installed Ubuntu 12.04 on my Dell 1554 laptop.
I was adjusting my screen brightness when this happened :
this has become a recurring problem which is really annoying.
I also want to ...
2
votes
3answers
320 views
Video brightness unreadable on a Dell Inspiron 9400
I have a Dell Inspiron 9400 with an NVidia GeForce Go 7900 GS video card.
After upgrading from 12.04 to 12.10, my video brightness decreased to the point where I can hardly read the screen. I have ...
2
votes
0answers
116 views
Bright/Dim Controls Wont Work In 12.04
I have a gateway nv54, and the controls wont work to brighten or dim the screen. The only way it does is if you change it to the setting you want, then restart the computer. Any suggestions/drivers ...
2
votes
1answer
333 views
Toshiba Satellite L645D screen brightness does not work onUbuntu 12.04
I've installed Ubuntu 12.04 on my Toshiba Satellite L645D and the screen brightness does not work, any suggestions??? please help!!
2
votes
0answers
2k views
Fn-keys stopped working on a Lenovo Thinkpad Edge
I'm running 12.04 on a Lenovo ThinkPad Edge. I'm having these possibly related issues with things that worked perfectly when I installed Ubuntu:
Most of the Fn-keys worked seamlessly after I freshly ...
2
votes
1answer
864 views
How do I get brightness controls working properly on an Eee PC 1001P?
Is there a solution to the low screen brightness issue with the Eee PC 1001P and release 12.04?
When I use the brightness control, the screen goes through three adjustment cycles of dark to semi ...
2
votes
1answer
595 views
Screen brightness in Ubuntu not working
Hardware: HP DVD6t, AMD Radeon 6700
OS: Natty 32-bit.
I have researched a lot on this and basically most of the solutions that are on the internet / stackexchange revolves around the brightness ...
2
votes
0answers
677 views
Thinkpad brightness steps error using FN+Home/End [closed]
I've met the following problem: normally my T400 (Lenovo Thinkpad) has 16 steps of brightness, and Windows utilizes it correctly.
After a fresh install & minor tweaks Mint 12 (which is based on ...
2
votes
0answers
245 views
Can't calibrate color manager on THINKPAD SL 500 UBUNTU 11.10 [closed]
Im unable to calibrate my screen on ubuntu 11.10 (THINKPAD SL 500). The calibrate button is disabled.
2
votes
0answers
302 views
Screen dimmed upon wake after standby [closed]
Sometimes upon resuming from standby I find my screen brightness dimmed to the lowest setting, even though the indicator says it's where I left it.
If I use my brightness function keys I get the ...
1
vote
2answers
946 views
reduce Screen brightness in battery mode automatically
KDE and XFCE4 has a program to adjust the screen brightness automatically in battery mode to a preset value.
How can i set the same with Unity ( or Gnome3 )?
1
vote
2answers
2k views
Brightness control not working- Ubuntu 12.04 LTS - Macbook pro 5,5
I am new to Ubuntu and recently installed it on my Mac.
I have ran all of the update i.e.: (apt-get update), and have as well installed the proprietary nVidia driver (nvidia-current-updates).
After ...
1
vote
3answers
736 views
Brightness Adjustment on Desktop Computer
I have Ubuntu 12.10
I need an application/software that can increase and decrease my brightness.
I know I can do it through my pc monitor but I don't want that. I want to control it through a ...
1
vote
2answers
510 views
Slow Internet / Can't change brightness on 2010 Macbook AIr running 12.10 Ubuntu
The title really says it all. I haven't been able to change the brightness of my monitor since putting Ubuntu on it. I started off with 12.04 and then decided to see if 12.10 would fix the issue. The ...
1
vote
4answers
2k views
Can't adjust the brightness on a Toshiba C665 laptop
I had installed Ubuntu 12.04 i my Toshiba Laptop Satellite C665-I5011
In this I am not able to change the LCD brightness. When i press Fn+F6 or Fn+F7 the brightness bar is changing but the LCD ...
1
vote
3answers
409 views
How do I decrease brightness of my laptop beyond the amount it specifies?
Is there a way I can decrease the brightness of my laptop (Dell 1558) beyond the amount it actually allows me to?
I tried Redshift, it works okay, but I wanted to manually decrease the brightness. ...
1
vote
2answers
1k views
How to control Brightness on Acer Laptop [duplicate]
I've installed Ubuntu 12.04 in an Acer Timeline X 5830TG and brightness controls were not working (Fn + Key), even the Ubuntu's one.
1
vote
1answer
999 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
...
1
vote
2answers
2k views
Unable to adjust screen brightness on Gateway NV54
i have ubuntu 11.10 installed on gateway nv54.
I want to install drivers for video card because the Screen brightness not changing..
But "Additional Drivers" not detecting anything.
Graphics: Mobile ...
1
vote
2answers
564 views
Display Brightness Scaling is Incorrect on a VAIO CW
My display brightness adjustment is off by a factor of 10, i.e. it's brightest at 10% instead of at 100%, and the difference between 0% and 1% is a little too high.
Any way to fix either of these ...
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 ...
1
vote
2answers
3k views
Brightness control not working on HP Pavilion dm3t (Intel GMA 4500MHD)
I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls on the keyboard don't work. The ...
1
vote
1answer
77 views
Make a script run at startup
First of all,sorry for my bad English.
Im using Xubuntu 12.04 on Acer Aspire One D270.My Screen brightness
hotkeys (Fn+L/R) dont work.I installed xbacklight but it always shows
"No outputs have ...
1
vote
2answers
876 views
Brightness controls are not working in sony vaio with amd radeon hd 7650
I have a Sony Vaio SVE15116EN with AMD Radeon HD 7650 graphics card. I am currently using Ubuntu 12.10. My brightness controls are not working but sound controls are working fine. I have also tried ...
1
vote
1answer
448 views
How to change external monitor brightness via DDC/IC?
I would like to change brightness on my external Dell U2713HM monitor via DDC/IC (DDC Wikipedia), it's connected via DisplayPort. I have the integrated Intel HD4000 graphics.
When I run sudo ...
1
vote
1answer
1k views
12.10 upgrade broke brightness keys [closed]
I have been running Ubuntu (64-bit) on my HP 6710b laptop (Core 2 Duo with integrated graphics) for several years, and the backlight brightness keys have always worked. Since I upgraded to Ubuntu ...
1
vote
2answers
676 views
Brightness resets to maximum after every reboot. Need some help [duplicate]
I have a UX31-E Asus Zenbook running 12.04 until today when I tried 12.10. I've experienced this issue on both versions of ubuntu.
I have tried turning the brightness down manually through the ...
1
vote
1answer
1k views
Brightness adjustment not working on a Samsung NP300e5za0pin
Recently installed Ubuntu 12.04 on my Samsung NP300e5za0pin laptop . Brightness function is not fully functioning, and it will not bring down below 70% when I press the FN++Brighness.
Brightness ...
1
vote
1answer
3k views
Is there a way to set a hotkey to change screen brightness? [duplicate]
Possible Duplicate:
How to change the shortcut to adjust brightness?
The brightness keys on my laptop are not recognized by Ubuntu, which is a common problem for a variety of laptops, is ...
1
vote
8answers
2k views
Screen brightness is either totally dim or totally max on a Samsung NP350 Laptop
I updated my Ubuntu 12.04 last night to the latest packages.
When I tried to change brightness using Fn Key this morning, brightness went all the way to either min or max brightness. I was not able ...
1
vote
1answer
463 views
Changing brightness in Unity settings results in dead SAMSUNG 300e5z-s08
I experienced the following problem when trying to change brightness either through the system settings of the shell, or by using fn + f2 fn+f3 combinations. The brightness bar appears in the top left ...
1
vote
2answers
4k views
Unable to change brightness on a Toshiba L750
So, as a number of users seem to be experiencing, I am unable to change brightness on my laptop. Using the Brightness and Lock in settings, the slider moves but brightness does not adjust. The fn keys ...
1
vote
1answer
3k views
unable to change brightness settings in sony vaio e series laptop
I am using Sony Vaio E Series VPCEH25EN laptop.
I installed ubuntu 12.04 64 bit version and I couldn't change my brightness level.
Always it is showing max brightness,
I tried to change by using ...
1
vote
2answers
2k views
Brightness control Issue Samsung RV520 in Ubuntu 12.04
I am unable to change and reduce the Screen brightness of my laptop Samsung RV520, it has only one graphics card Nvidia's GT520M, although brightness control appears by pressing
FN+UP/DOWN
...
1
vote
5answers
1k views
Asus K53S F5 F6 brightness keys not working
On my Asus K53S i7, the F5 and F6 keys, for brightness controls, don't work. In Ubuntu 11.10 and in 12.04 (by upgrading mode).
I don't know if there is some relationship with the first problem, but ...
1
vote
2answers
109 views
brightness settings not ajustable
I gave it a search and found this for version 11.04 on an acer aspire;
sudo gedit /etc/default/grub
Edit two lines to read as follows:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
1
vote
2answers
986 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 ...
1
vote
2answers
72 views
Brightness is getting change after the reboot/shutdown
I have tried changing the brightness.
added echo 4 > /sys/class/backlight/intel_backlight/brightness to /etc/rc.local
But it is temporary change & still getting black screen while login.
How ...
1
vote
1answer
246 views
How to use xbacklight with brightness keys in a VAIO
I have a Sony VAIO VPCCW15FL, with Ubuntu 12.04 installed.
Sadly, the brightness keys do not work out of the box, although the brightness meter reacts to the brightness up/down keypresses.
...
1
vote
1answer
181 views
Brightness and actual backlight mismatch after reboot
This is not a duplicate of this or that!
The problem in detail
The brightness hotkeys works well in increasing or decreasing the brightness, but if the brightness is less than 100%, after a reboot ...
1
vote
1answer
652 views
brightness control not working for nvidia driver on W530 2436CTO + Ubuntu 12.10 X64
Environment: ubuntu 12.10 x64, bios (have tried 2.06, 2.50). W530 2436CTO, 3720QM, K1000M.
The problem can be described below (May looks duplicate at first sight)
The back light of screen after ...
