Linked Questions
53 questions linked to/from How to change LCD brightness from command line (or via script)?
35
votes
9
answers
94k
views
How can I change brightness through terminal [duplicate]
Now I can change it by Fn+ arrow right but now I need to do it via my shell script
1
vote
2
answers
7k
views
Adjust brightness from Terminal [duplicate]
I'm trying to edit the brightness of my System76 laptop screen from my window manager i3wm. I've tried the following:
xbacklight -dec 10
does nothing
sudo vim /sys/class/backlight/intel_backlight/...
0
votes
1
answer
1k
views
Ubuntu 13.10, brightness settings issue [duplicate]
I haven't experienced any issues when 13.10 is installed on my desktop but after installing it on my laptop (Fujitsu LifeBook) the brightness settings seem to default to the dimmest setting and even ...
0
votes
1
answer
871
views
Brightness Control In Samsung RV 509 [duplicate]
I have recently installed Ubuntu 12.04 on my Samsung laptop RV509 with Nvidia grahics card but brightness remain unchanged. How can I make the brightness control work?
1
vote
1
answer
207
views
Which command can I run to adjust brightness of my screen? [duplicate]
My LUbuntu 18.04's lxpanel is not working. Which command can I run to adjust brightness of my screen? Thanks.
0
votes
2
answers
173
views
How can I actually adjust the brightness of my display? [duplicate]
I'm on a fresh installation of Ubuntu and planning to install i3wm. Unfortunately, the brightness is completely stuck on the maximum, rendering it basically torture to use during the night. Neither ...
0
votes
1
answer
119
views
How to switch the screen illumination off and continue typing? [duplicate]
I can switch the screen illumination manually off by pressing Fn+F6 on my laptop keyboard. This is the same as automatically switching it off on idle as it can be set in the power management.
The ...
1
vote
0
answers
37
views
Brightness reduced after installation [duplicate]
After installing Ubuntu 13.04 the display brightness of my laptop has reduced. Increasing the brightness in system settings makes no change. Can you help me tackle this problem?
49
votes
15
answers
103k
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 ...
51
votes
10
answers
71k
views
Is there a software utility to adjust screen gamma/brightness/contrast?
I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
29
votes
6
answers
23k
views
Can I control brightness on second monitor?
I have a thinkpad (x301) with an external monitor connected via a DisplayPort to HDMI cable. I can control the brightness of the laptop monitor using the keys on the laptop, but I can't work out how ...
6
votes
6
answers
13k
views
Ubuntu 20.04 Lenovo IdeaPad 5 Ryzen 4800u Display Brightness not working
I cannot get changing the display brightness to work. I have a Lenovo IdeaPad 5 with AMD Ryzen 4800u CPU and integrated Vega graphics.
I tried the following solutions: Grub property acpi_backlight, ...
3
votes
7
answers
27k
views
Can't adjust screen brightness on Ubuntu 12.04LTS
My laptop is Samsung NP-Q430-JS03US.
I have searched for the solution. I have tried editing grub acpi_osi=Linux and acpi_backlight=vendor, but still didn't work.
Please help.
8
votes
2
answers
32k
views
Changing Screen Brightness Through Keyboard Functions on My Notebook
I've installed Ubuntu 16.04 on my Asus X555LJ.
But I don't know how to install drivers or how to enable function keys to controls screen backlight brightness.
11
votes
4
answers
10k
views
Ubuntu 14.04 Brightness issue with nvidia Quadro
I recently upgraded from Ubuntu 13.10 to 14.04. Everything is fine, except the brightness of my laptop screen. When I change the brightness the screen simply does not respond. I figured this was a ...