0
votes
0answers
16 views

How to adjust Screen brightness of Acer Aspire 573z?

I have tried many thing given on internet and also on Ubuntu but nothing works.
0
votes
0answers
42 views

Acer Aspire 7741z : Function key adjust brightness but displays 10% in Ubuntu 14

On my Acer my brightness function key works, but the confirmation display only goes up to about 10%. Also the function key seems to be the only thing that will adjust the brightness. I cannot adjust ...
0
votes
1answer
98 views

Fan under load doesn't go full speed on Acer laptop

On Ubuntu 14.04 when I do any system intensive task like gaming and when temperatures reach over 80C for CPU and 70C for GPU, fan doesn't spin as fast as it does in Windows 7 under even lower temps. ...
0
votes
0answers
268 views

Brightness control not working Aspire 4352-2852 Ubuntu 14.04 LTS

I'm a newbie in Ubuntu and so far it has worked really good, but there is one small problem, I can't control the brightness. The brightness control shows on the screen but it doesn't change anything, ...
0
votes
0answers
82 views

Screen Brightness on Acer AspireV: bar appears, brightness doesn't change

Using 12.04 on an Acer Aspire V5-561-9410. When I use the function keys to modify screen brightness (or use any solutions I've found here to this problem like the one found here or here), I see the ...
1
vote
0answers
584 views

Backlight Controls Acer Aspire v5-572G

I know there are already a lot of similar questions regarding issues with no back light control with Acer models. I'm not having that issue anymore I followed the necessary changes needed in ...
1
vote
1answer
2k views

Unable to adjust screen brightness on acer extensa 5635z (ubuntu 13.10 )

I'm unable to adjust my screen brightness since I installed ubuntu 13.10, it was working correctly in 11.04. I've already set GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux ...
-1
votes
1answer
339 views

Brightness stuck at 100% on an Acer Aspire 5742Z

I had done a ton of reading on problems similar to this and have done some digging in my sys/class files to find my brightness controls. I found two possibles, one from Acer and one from Intel, both ...
2
votes
3answers
3k views

Brightness control problem on acer aspire V5

I am running Ubuntu 12.04 LTS on new Acer Aspire V5. There is no other OS installed. I can not control the brightness of the screen using Fn+left and Fn+right keys. I tried to change brightness from ...
0
votes
1answer
674 views

Brightness control doesn't work Acer Aspire 5738 13.04

I have tried many suggested solutions modifying, still nothing works. Ubuntu 13.04.Acer Aspire 5738. Please help its very annoying and frustrating can't control a basic function. Thanks
0
votes
1answer
791 views

How do I get the brightness keys working on an Acer AspireOne D255?

I've got a little problem trying to set brightness on a AcerAspireOne D255 on which I freshly installed Xubuntu 13.04 (32x)... brightness seems to play its own way: it doesn't respond to my inputs and ...
0
votes
1answer
382 views

Brightness buttons are not working at all

I have asked this question multiple times. i have an acer 5750 laptop running Ubuntu 13.04 and all of a sudden then brightness buttons wont adjust the computers brightness. it was working not too long ...
1
vote
0answers
247 views

Backlight Control Bar not working

I upgraded my 12.10 to 13.04 and the brightness control has completely disappeared! In the settings tab all the options are available except the brightness control bar I have attached the screenshot ...
1
vote
2answers
3k 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
1answer
2k views

How to fix Acer Aspire 4736z back light brightness control in Ubuntu 13.04?

A simple way to fix Acer Aspire 4736z back light brightness control problem using hot keys (Fn + Brightness +-)
1
vote
0answers
686 views

Brightness and touchpad issues on an Acer Aspire 725

I have an Acer Aspire One 725 running Ubuntu 12.04 LTS, and it flashes the screen when not charging. The same happens when I want to change the brightness of the screen (whether or not connected to a ...
0
votes
0answers
17 views

How to install ubuntu on acer Aspire S3 use USB stick? [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? How to install ubuntu12.04 on acer Aspire S3 use USB stick? I can't see any thing, screen is ...
3
votes
4answers
5k views

How do you adjust screen brightness on Acer laptop? [closed]

I have an Acer Aspire one 5742 laptop. I installed Linux Ubuntu 12.10 on it. I have one problem with it. no matter how I press the Fn+↑ or Fn+↓ keys I cannot adjust the Screen Brightness. It ...
4
votes
8answers
31k views

How do I adjust the screen brightness on an Acer Aspire One D270?

My system specifications are: Ubuntu 12.04, 64-bit, Acer Aspire One D270, Intel Atom CPU The usual brightness increase/decrease key combination using Fn key doesn't work in Ubuntu as many pointed ...
0
votes
1answer
2k views

Problem with brightness settings with Acer Aspire One D255E in 12.04

I run Ubuntu 12.04 on my netbook (Acer Aspire One D255E) and I have the following problem with the brightness settings: If I want to adjust the brightness with the fn-key, I can only change between ...
1
vote
1answer
1k views

Cannot Adjust Brightness on Acer Aspire 5332

I recently installed Ubuntu 12.04 with the Windows installer. It appears to be running fine, however the screen is extremely dull and I don't appear to be able to adjust the brightness... I entered ...
11
votes
12answers
45k views

How to control Brightness

I didn't install anything myself, but only Ubuntu 12.04 LTS on an Acer 4741g. I use Fn+left/right to change the brightness, but failed. How can I control the brightness levels?
0
votes
2answers
2k 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
868 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 ...
4
votes
2answers
4k views

fn + arrow keys don't adjust actual brightness on an Acer Aspire 5740

I have an Aspire 5740 with an Intel Core i3, and Fn + arrow keys still call up the brightness adjuster, but have no effect on actually changing the brightness. The slider moves, but the brightness ...
3
votes
2answers
2k views

Adjust brightness and contrast on an Acer Aspire as5750?

I have an acer aspire as5750. With the intel hd 3000 graphics. When i use the adjustment function keys the dial moves but it doesn't translate to the screen diming. Same with the dial in linux ...
1
vote
1answer
1k views

battery backup issues on acer timeline 3830tg

I recently bought Acer timeline 3830tg for my studies and installed ubuntu 11.10 and currently using gnome-shell. I also have changed by graphics mode from hybrid to integrated mode to increase ...
2
votes
2answers
4k views

I`ve got some problems with new Acer Aspire S3

I just got a new Acer Aspire S3 Laptop, and I've installed Ubuntu on it. Here is some problems: 1. Bluetooth (AR3012) can't find any devices. rfkill shows that everything is fine, but I still can't ...
6
votes
11answers
18k views

Screen Brightness not adjustable for Acer Aspire S3

First of all, thank you very much for providing this useful forum. Too bad for me, there is no support for the Acer Aspire S3 yet (just came out in October) Short Description of the Problem: I cannot ...
0
votes
1answer
2k 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 ...
6
votes
4answers
10k views

Can't adjust brightness on my laptop

I'm having difficulty in adjusting brightness on my Acer Aspire 4740: Screen 14.1-inch glossy LED-backlit, 1366x768 res CPU Intel Core i5-430M 2.26-GHz RAM 1GB DDR3 HDD 320GB Graphics ...