Questions related to screen brightness.

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0answers
95 views

no notification when I change brightness and/or volume

I user Ubuntu Gnome 13.10 (Gnome Shell 3.8). When I change the volume or brightness via hotkeys or my volume +/- buttons on my keyboard I do not get the notification in the middle of the screen. ...
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0answers
24 views

Ubuntu maxes brightness after lock

If I press Ctrl+Alt+L, brighness level sets to the maximum. It started from latest "Ubuntu base" update. How to disable this?
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0answers
242 views

reduce laptop screen brigtness below minimum

This is not duplicate of http://superuser.com/questions/560445/dim-screen-past-the-minimum-on-ubuntu . I have already tried the solution mentioned in the above article. my laptop configuration is dell ...
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1answer
94 views

problem with screen brightness [duplicate]

I'am using Ubuntu 13.04 on Lenovo G500 -E when i turn my laptop computer on the brightness of screen is 0 and i need to increase the brightness to see the screen is this problem related to Ubuntu ...
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0answers
48 views

13.10 No WiFi, ethernet, sound or brightness control after trying to install Spotify

I'm relatively new to Ubuntu (and this is my first forum post). I upgraded to 13.10 not too long ago and it's been working fine. The other day I tried to install Spotify through terminal using the ...
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2answers
308 views

Toshiba T110 brightness control “FN” doesn't work (Ubuntu 12.04 LTS 32 bit)

I recently installed Ubuntu 12.04 32 bit in my Toshiba T110 laptop, and the brightness control doesn't work. I have tried gedit /etc/default/grub, and have modified the "quite splash" to many ...
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0answers
17 views

Backlight brightness Changing hangs system

my laptop Dell Inspiron N5010, Installed Ubuntu 13.04, While changing Screen brightness my lap hangs and have to long press power button to shutdown, In Ubuntu version 11.04 this problem not come. Is ...
0
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1answer
295 views

Intel Graphic 3rd with 12.4 “nomodeset” working but?

If i'm booting with "nomodeset" then can't change Brightness/Login/Logout/Suspend/Resume ..etc. Accidentally booted once without "nomodeset" everything was working ...
4
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1answer
114 views

5% Xorg CPU usage after changing laptop brightness?

When I change brightness on the laptop with a laptop keys the brightness is behaving strangely for a couple of minutes, and Xorg eats 5% CPU during this time. I had the same effect on my previous ...
2
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1answer
84 views

Xubuntu 13.10: Only four levels of brightness?

Why do I have only four levels of brightness on my Dell Inspiron laptop, selectable by Fn+ArrowDown/Up? In Linux Mint Mate, I have 7 or 8, and so I have under Windows, on the same machine? This is ...
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0answers
629 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 ...
0
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1answer
96 views

MSI GE70 Screen brightness

I've tested pretty much every option I could find online regarding getting to dim my screen brightness which is at max right now, but most solution i've found are controling the brightness through ...
2
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1answer
128 views

how to disable the animation of dimming the screen when ubuntu turns inactive screen off

When Ubuntu 13.10 decides to turn of inactive screen, it runs an animation for 15 seconds long, slowly dimming the screen. The purpose, I assume, is to give an interim for human intervention - a ...
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0answers
37 views

Delay pressing volume or screen bright buttons

I have a ASUS NS53, running the last version of Lubuntu right now, 13.10. All the keys works fine, but when I press the volume buttons, or screen buttons, there is a random delay of 1 second (For ...
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0answers
53 views

dumb power setting ensure dim screen all the time

It's quite dim, but when I unplug, it gets brighter. Funnily enough, when the battery gets critical it goes dim again, and if I plug it in in a dim state it finally gets bright with the power plug ...
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0answers
31 views

Monitor turning off randomly. [Workaround exists]

I installed Ubuntu 13.04 on a machine with pre-installed Windows 8 using the options acpi_osi=Linux acpi_backlight=vendor I was unable to change the brightness of the system using the function ...
0
votes
1answer
171 views

can't control the brightness on Ununtu 13.10

I have Ubuntu 13.10 in my dell inspiron 3521 with Intel core i5 and graphics of Intel Ivibridge Mobile. I can adjust the brightness of the screen. All the solutions that I found was to try to change ...
1
vote
1answer
90 views

Setting which brightness determines screen brightness

I'm having an issue running Kubuntu 13.04 with brightness, something that seems common. In particular, brightness can be found in these 2 directories: /sys/class/backlight/acpi_video0/brightness ...
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2answers
257 views

How to reduce screen brightness on Sony Laptop using Ubuntu 13.10?

I am a complete novice to Linux and just installed Ubuntu 13.10 on my Sony Viao E-series laptop having NVidia graphics card. For the life of me, I can't seem to get the screen brightness down (The ...
1
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1answer
144 views

Screen Dimmer in Ubuntu than in Windows - Haswell NEC Lavie

I just bought a new laptop, on which I immediately installed Ubuntu 13.10. Pretty much everything worked out of the box, except the screen brightness. The maximum brightness in Ubuntu is much lower ...
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0answers
30 views

xrandr works at startup, but when I type something, the bad brightness returns

I put a script for xrandr working at startup, its good. but when I type something, the bad brightness returns. When I re-put "xrandr --output LVDS1 --brightness 0.55" on a terminal, all is good. Why ...
1
vote
1answer
144 views

How can I force the backlight to never turn off?

I'm using Ubuntu 13.10 with GNOME 3.10 on a Packard Bell EasyNote-TK37 (Intel GM45 Express graphics), and I've had significant problems with my backlight. Initially, upon booting the backlight would ...
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0answers
16 views

Need help diagnosing (random) dark screen

I have seen many threads on ubuntu 12.04 black screen (actually, mine is really dim screen. I can still see Guake terminal popping up the background, everything works fine, the screen is just really ...
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0answers
50 views

Brightness hotkeys stop working after closing lid

Apparently this is a common problem, but I haven't yet found a working solution. I know that the driver and my keyboard is supported, because after a reboot it works like a charm, but when I close ...
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0answers
218 views

Fn key combination *suddenly* stopped working for brightness only

I've looked at most of the questions relating to enabling hardware brightness control under Ubuntu with the Acer Aspire S3 laptop; initially these fixes worked, under the initially installed kernel ...
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0answers
133 views

Screen Brightness regulation after hibernation 13.10

I'm new to Ubuntu 13.10 and pretty much satisfied with it. My first problem was that there was no brightness regulation at all, then I added the line "GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
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1answer
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
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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
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1answer
166 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 ...
0
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0answers
324 views

Some Fn keys completely messed up in Toshiba Satellite L845

The brightness +/- fn key and the one for changing to an external monitor are messed up. If I try to press any the system will suspend for 3 seconds and then return asking my password to unlock the ...
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0answers
159 views

Followed instructions to fix brightness at boot using xbacklight, screen goes black after boot

So I followed the instructions in the top answer late last night: How do I set default display brightness? I'm running Ubuntu 13.10 on a HP Envy 15t quad and it was running perfectly other than the ...
0
votes
2answers
1k views

Asus x550L problems with Ubuntu 13.10

Problems with audio. Headphones work, but without them sound is not working. Many FN keys aren't working. The brightness levels, play buttons, etc. The brightness, if I adjust it, then I restart ...
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0answers
78 views

How do you get the display to automatically shut off in Ubuntu 13.10?

The display will not automatically turn off after 10 minutes, even though it is set to do so in the Brightness & Lock under System Settings. Running these commands in a terminal will cause the ...
0
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1answer
192 views

screen keeps black in ubuntu 13.10 when it must come out of sleep mode

I'm running Ubuntu 13.10 on a completely new machine, was fresh installed. After a while, while not working on it, the screen turns black, when you try to work again, you can't exit the black screen, ...
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1answer
188 views

How to fix the screen being to bright in Ubuntu 12.04 and up

How to fix the screen brightness and color being too bright in ubuntu.
2
votes
2answers
510 views

Laptop brightness

I have just installed Ubuntu 13.10 and trying to adjust my laptop screen brightness. My laptop Dell studio 1558 has a key to change the screen brightness, though I reduced brightness to zero, I still ...
0
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0answers
345 views

How to permanently set the screen brightness level in ubuntu 12.04 on Vaio E-series laptop?

I have ubuntu 12.04 lts running on my sony vaio E-series (vpceb44en). I have followed the post How to permanently set screen brightness level in Ubuntu 12.04 on Dell Vostro 2420 laptop? on howto ...
0
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1answer
2k views

Xubuntu 13.10 Screen Brightness Fn Keys

I have a Samsung Series 9 NP900X3C, which has a Intel HD Graphics 4000 chip. When I use the the Fn keys for changing the brightness, it shows me a nice OSD and sets the value in ...
3
votes
1answer
308 views

Notified brightness change is not applied

Note : I know this question is becoming quite common, but I'm afraid every solution I found failed to solve the problem. Maybe the knowledge-base we have about this is getting old, irrelevant for ...
2
votes
2answers
168 views

Can you lock the Unity screen after 15 minutes, not shown in “Brightness & Lock” dropdown?

In Ubuntu 13.10, the Brightness & Lock dialog lets you lock the screen after idle time of 1, 2, 3, 5, 10, 30, and 60 minutes. Is it possible to set a different idle time not shown in this list, ...
0
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1answer
402 views

Brightness hotkey doesn't work properly on my hardware

I have a System 76 Gazelle Pro notebook. Sound hotkeys work correctly but not brightness one. When I push Fn+F8, it displays the ubuntu notification about brightness going down but the real ...
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0answers
17 views

Brightness Settings cannot hold on reboot [duplicate]

I am using Ubuntu 13.10, on a ASUS N55S notebook. I adjust the screen's brightness to the right level, but every time I reboot ubuntu, the brightness go back to maxmium. How can I lock the ...
0
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0answers
185 views

How can I enable brightness hot-keys on Ubuntu 13.10 running on a Toshiba L850?

How can I enable brightness hot-keys on Ubuntu 13.10 running on a Toshiba L850? I see threads mentioning that you add a line to menu.lst and a few others about different packages but none seem to ...
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0answers
240 views

Brightness locked in dim after downloading ubuntu 13.10

I have a netbook Samsung N 100 on which I installed ubuntu 13.10 before restarting the machine the brightness was perfect but as soon as I restarted it the brightness got dimmed. I tried everything fn ...
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
vote
1answer
842 views

Unable to change display brightness with Function keys or Brightness and Lock application in Ubuntu 13.10

I am having problem with Ubuntu 13.10 brightness control. My brightness shortcut keys (Fn + F5/F6) worked in 12.10 and 13.04 but they have stopped working in 13.10. I am using Sony Vaio SVE15113ENB ...
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0answers
46 views

Can't control screen brightness 13.10

I don't seem to be able to control the brightness in neither the settings or through the shortcut, it shows me that it changed but it appears that it didn't.
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1answer
761 views

Disable Screensaver (Black Screen) in Ubuntu 12.04

Background : I have an application which is running on top of Ubuntu 12.04. When I boot up the device, it will automatically open the application and running until power off the device. Problem : ...
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0answers
718 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 ...
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0answers
59 views

brightness not save, ubuntu 13.04

Master ubuntu, ubuntu 13.04 always reset like not save brightnes. Much people ask this question. Please give me fix answer. I like ubuntu so much and fans ubuntu from any fans.