0
votes
0answers
43 views

Changing the brightness on the Lenovo T410

I can't change the brightness on my lenovo T410 laptop. I tried changing it from the system settings and using fn+Home, but both didn't work.
0
votes
2answers
100 views

Brightness Problem

I have a lenovo z570 laptop. I have currently switched to Ubuntu 14.04. I am unable to control the brightness and it is always set to high. Please help. I have searched for the problem but none of ...
0
votes
1answer
799 views

When booting ubuntu, it states: thinkpad_acpi: Unsupported brightness interface

As the title says, when I boot my pc to Ubuntu (14.04), it says something like this: [ 23.025150] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@... And this ...
0
votes
0answers
33 views

Grub changed brightness but after pressing brightness button return dark

My laptop is Lenovo K49. It's dark so every time I need to change brightness manually. Later I found a solution by changing the brightness as below: sudo gedit "/etc/default/grub" And change the ...
0
votes
1answer
153 views

Why I cannot use the Fn + (up) to control the brightness?

I have a Lenovo zhaoyang K27 with Intel® HD Graphics 3000. Since I installed Ubuntu for the first time, about two years ago, I haven't been able to change the brightness by Fn+^. I found a solution in ...
0
votes
0answers
248 views

Can't adjust screen brightness on lenova y410p

Can't adjust screen brightness on lenova y410p. I'm running unbutu 13.10. I tried different answers on here but nothing seems to work. I changed GRUB_CMDLINE_LINUX in /etc/default/grub to include ...
0
votes
1answer
401 views

How do I fix the brightness on a Lenovo Ideapad S210? [duplicate]

I have installed Ubuntu 13.10 on my Lenovo Ideapad S210 touch and everything works fine except the screen brightness which cannot be adjusted. How can I fix this problem ?
0
votes
1answer
722 views

Lenovo G510 with 12.04 LTS issues

I have a few problems with my recently purchased notebook lenovo G510 and as a beginner I do not know how to solve those problems. to the point: my AMD Radeon graphic is not worknig at all and the ...
0
votes
1answer
439 views

Ubtunu 12.04 x86_64 Which Proprietary Nvidia Driver for nVidia GT216GLM [Quadro FX 880M] supports brightness controls on Lenvo W510?

I have a Lenovo W510 and installed Ubuntu 12.04 onto it (64 bit). The device is certified for Ubuntu: http://www.ubuntu.com/certification/hardware/201101-6974/ However that certification page ...
0
votes
2answers
1k views

Can't adjust the brightness on Ubuntu 13.10

I've got a new laptop ( Lenovo Thinkpad E145 ) and I can't adjust the brightness. When I press the brightness adjustment keyboards, I can see the window that appears top right corner which is showing ...
0
votes
1answer
169 views

Maximum screen brightness not enough on Lenovo K49

Though I adjust my screen brightness to maximum but it's still not enough. I have to type in the following every time when I wanna change which is troublesome. sudo su -c "echo 4000 ...
1
vote
0answers
721 views

Brightness 0% on Lenovo G500s on startup / boot

I've installed Ubuntu 12.04 on a Lenovo G500s Laptop. The screen is scrambled/shows weird artefacts during boot but that doesn't really bother me. What does is this: The screen's brightness is always ...
0
votes
0answers
170 views

Set default brightness on Lenovo p500

This is a somewhat silly question, and not a major issue, but- by default when I load up Ubuntu on my Lenovo P500, the screen brightness is ALWAYS as it's lowest setting. Now, I type in my password ...
0
votes
2answers
634 views

13.04 brightness on ThinkPad t430

Cannot adjust brightness on my Thinkpad T430. This doesn't work anymore: Ubuntu 10.04 Cant Adjust brightness on my lenovo Thinkpad? Is there another way to fix this?
0
votes
0answers
209 views

How do I enable the brightness keys on a Lenovo y500 750m sli?

has anyone managed to get your brightness keys working in Ubuntu? I'm running 13.04 and the latest stable Nvidia drivers. Thus far I have tried this to no evail: I cannot change the screen brightness. ...
0
votes
1answer
316 views

Lenovo T410 running Ubuntu 12.04 won't change brightness

Neither the Fn + Home or the Fn + End (brighter/dimmer) or using the GUI changes the brightness. I've looked up some possible solutions, all of which involve editing an obscure text file. None of ...
1
vote
2answers
660 views

Lenovo L430 malefunction brightness control 13.04

I use a Lenovo L430. Unfortunately after updating to 13.04 the brightness control does not work any more. Hitting Fn + F8/F9 the popup appears but it is changing only one step but the brightness ...
6
votes
5answers
7k views

How do I get the brightness control working on a Lenovo Yoga 13?

Brightness control doesn't work by default in Ubuntu 13.04. Solution for 12.10 doesn't work, also as this Any idea how to fix it? Update: After research I found how to change brightness manually. ...
4
votes
3answers
6k views

How do I get brightness working on a Lenovo IdeaPad Yoga?

I have a Lenovo IdeaPad Yoga. It's been working flawlessly with Windows 8 - 9 hour battery life, awesome touchscreen, 4-second boot times. So obviously I wanted to try Ubuntu 12.10. Well, I ...
2
votes
1answer
1k views

Cannot change brightness on my laptop (Lenovo ThinkPad Edge E535)

I recently installed Ubuntu 12.10 on my laptop but I am frustrated by not being able to increase or decrease the screen brightness by using neither the keyboard controls nor the brightness slider in ...
0
votes
1answer
623 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
1answer
727 views

Lenovo Y400 ubuntu 12.04 can't change brightness

The ubuntu seems to be always on the max brightness. I cannot change the brightness. Really strange. What I have tried: 1 Install the latest Nvidia Driver does not work 2 change x sudo gedit ...
3
votes
5answers
3k views

Lenovo Y500 can't set brightness

I've installed Ubuntu 12.10 on a Lenovo Y500 laptop (2012), video card is Nvidia 650M (no integrated graphics), I'm using driver 310.19. The problem is that I can't adjust brightness at all. If I ...
5
votes
3answers
6k views

Screen brightness control not working on Lenovo T530

My brightness control doesn't work with a fresh install of 12.10 (brand new laptop). It is set to the brightest setting when I boot up and when I try to change it, I see the notification bar come up ...
1
vote
1answer
2k views

Brightness controll not working in lenovo g580 [duplicate]

my laptop is lenovo g580. Configuration is CPU : Intel® Core™ i3-2370M CPU @ 2.40GHz × 4 GPU : Nvidia geforce 610M Kernel Linux 3.5.0-17-generic My problem is that I cannot control the screen ...
0
votes
4answers
2k views

Brightness control not working in Lenovo G580

I purchased a new Lenovo g580 laptop. But I am totally disappointed when I installed Ubuntu on it. Almost all drivers are not working. :-( The laptop configuration is intel i3 processor Nvidia ...
1
vote
1answer
2k views

Lenovo G580 Brightness Error caused by unsupported updates. How to revert?

I just installed the 64-Bit version of Ubuntu 12.04 on my newly bought Lenovo G580. The brightness control was working properly using the Live CD and when I first started the installed version. Then ...
2
votes
2answers
5k 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 ...
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 ?
5
votes
3answers
2k views

How do I permanently change the brightness of the screen?

On the previous versions the default screen brightness was perfect for me but on 11.10 the default brightness is killing my eye. I have changed the brightness like this level but after restarting ...
26
votes
8answers
37k 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 ...