Questions related to screen brightness.
Questions tagged [brightness]
1655 questions
155
votes
20 answers
Brightness is reset to maximum on every restart
The brightness of my laptop is reset to max on every restart. I tried the solution provided at this website but had no luck.
This command
cat /sys/class/backlight/acpi_video0/max_brightness
Returns
cat:…
b-ak
- 4,350
23
votes
6 answers
Screen brightness - Night Mode
Honestly I like working in a dark environment (Twilight on my all my editors), and recently I switched from a Windows to Linux (Ubuntu 16.04 with Unity Desktop on a PC). And being a night worker the brightness is a little harmful to my eyes.
I…
9
votes
3 answers
How to prevent Ubuntu from changing screen brightness?
I have recently installed 12.04 on ASUS-K53SV-V300. I can change the brightness on start-up with:
echo 0 > /sys/class/backlight/acpi_video0/brightness >> /etc/rc.local
or manually by Fn key.
But, whenever Ubuntu dim my screen brightness to save…
cholazer
- 91
- 1
- 3
7
votes
6 answers
Is there any brightness control for desktops?
I'm using Ubuntu Trusty tahr and I've noticed that there is no brightness control (like a slider), In windows I'll use Intel's graphics media accelerator to reduce brightness but here it looks impossible.
I'll be using my computer late hours to…
Karthikeyan R
- 139
7
votes
2 answers
How to control Brightness on Acer Laptop
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.
JorgeeFG
- 1,996
6
votes
3 answers
Change screen brightness on a desktop?
I'm running Ubuntu 11.10 on a desktop, so I don't have fn, and the option doesn't appear in under System Settings > Screen as it apparently only appears if your computer is detected to be a laptop.
Is there any way to change screen brightness?
deox
- 624
6
votes
7 answers
Brightness issue in a Lenovo ThinkPad Edge LR236W5
After upgrade from 13.04 to 13.10 Brightness is not working. Please let me know how to fix this issue,
Machine configurations given below.
id: thinkpad
description: Notebook
product: 0301G8G ()
vendor: LENOVO
version: ThinkPad Edge
serial:…
kds
- 173
5
votes
1 answer
How to prevent eyestrain?
For the following months, i'm going to work at home and will spend most of my time in front of my computer.
Currently, i work on my computer more than 8 hours a day. (10h-14h on screens daily)
I've got a 15.6 inch laptop and a 23 inch screen on my…
vinchaud
- 97
- 1
- 1
- 5
5
votes
1 answer
Brightness resets to zero on an HP dm4 Pavilion
Everytime I reboot my HP dm4 Pavillion the brightness is zero on my screen. BTW I use a Ubuntu 12.04..
jaikvk
- 51
- 1
3
votes
2 answers
Adjust Brightness 16.04
I've just upgraded to 16.04, and tried to download brightness controller from Ubuntu Software, but I can't find it. I need to reduce the brightness for my eyes' health. Thanks. I'm using a desktop pc with Nvidia GT 220 graphics.
Roque
- 325
- 3
- 6
- 17
3
votes
1 answer
screen brightness
Regarding the below topic please tell me is that possible to do it without adding any script to the startup.
brightness of the screen
So, I could use the function keys to adjust the screen brightness, or at least the Xubuntu settings, and remain…
XPDIN
- 577
3
votes
6 answers
How do I get my ASUS laptop to start at the right brightness level?
I want to make it so my laptop starts at a low brightness level, which is comfortable for my eyes and easy on the laptop's battery. I found some instructions here on AskUbuntu, and so by using this command:
cat…
Questioner
- 6,839
3
votes
2 answers
Is there a way to make Ubuntu adjust the screen brightness automatically?
Does anybody know where I can find a program (or system setting) which turns up the brightness automatically when my laptop is plugged in to AC and turn down the brightness when disconnected from AC?
I'm running Ubuntu 12.04.2 LTS 64-bit
user157554
3
votes
2 answers
Brightness control stuck on Acer Aspire One
After doing a pretty exhaustive search and trying every possible solution I've found on this lovely forum (no joke), my screen brightness is stuck on max. I'm running Ubuntu 12.04. Seems to be a common problem, but it's a little frustrating that…
killerrobot
- 31
3
votes
3 answers
HP 6930p does not remember Brightness control
I'm running Ubuntu 12.04 on HP 6930p and every time I reboot the system brightness control goes to back to some default value irrespective of the previous session. I've gone through the earlier posts which suggests changing the following..…
Bala
- 31