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Questions tagged [brightness]

Questions related to screen brightness.

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Screen is constantly dimming

I bought a new Laptop, Lenovo Ideapad 320, have Intel and Nvidia Card and now, after a week the brightness of my Screen is constantly changing. -.- I turned every power saving setting off, including ...
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0answers
9 views

Lap top screen not bright enough

I have a Dell Inspiron 15 5000 series Laptop. The screen isn't bright enough but when I press Fn and the up arrow nothing happens, nor F11 or F12. any suggestions
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63 views

Windows 10 1809 Brightness Setting Disappeared

After manually installing the Windows 10 1809 update, the display brightness option disappeared from my battery panel and the power options in the control panel. It's still present in both the ...
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0answers
63 views

New Laptop Screen is Very Dark, but the old, broken screen was very bright and “worked”

As the title says, I replaced my old, broken screen with a new screen that I purchased from laptopscreens.com. The old screen was totally broken; it had a black line through the center and the screen ...
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24 views

How to change brightness in acer monitor when regular adjusting does not work?

I have connected an acer 31'5 monitor (ED322q model) and disabled the main laptop monitor. The brightness is too high, but adjusting it works only for laptop(control panel) The connected 'projector' ...
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32 views

Can't turn off adaptive brightness - Power options broken? / WIN10 / Dell M3800

since a while I'm having a weird problem with my M3800 with QHD display without knowing what caused it. It might have changed with the last major Windows update, but I'm not sure. When I got the ...
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1answer
13 views

Samsung Curved Monitor Distorted Display

This new 24 inch curved monitor works just fine when I checked it by connecting with my laptop, but whenever I connect it to my old custom built PC, the screen dims randomly, goes dark and flickers ...
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2answers
81 views

How to change desktop PC screen brightness without press the monitor's buttons?

There is a post here that seems to be the same question, but it isn't! How to lower screen brightness on a Windows 10 Desktop This is the answer for a laptop, my PC is desktop. It have no battery. ...
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1answer
23 views

I have a Lenovo Flex 5 with a 620 graphics, and I cannont turn down the brightness.

It's been like that since I got it. I found an answer on here and tried to use it, but it did not work on mine. Although, when I went to Device manager, then to the graphics, a message appeared that ...
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1answer
33 views

Whenever I watch a video the screen gets brighter when the cursor disappears

Whenever I watch a video on my Windows 10 system, the screen gets brighter when the cursor disappears.  I think it’s an Intel® HD graphics card. I searched it up and it said to turn off "adaptive ...
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0answers
87 views

Raising and lowering brightness using touchpad gestures on Windows 10

I am trying to configure custom gestures on my Acer laptop with a touchpad. I have already configured three-finger up and down to be volume up and down, respectively, from windows touchpad settings, ...
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1answer
4k views

Dell XPS 13 9370: screen brightness changes based on window contents

On my new Dell XPS 13 9370, it seems that the display backlight brightness is adjusted based on the brightness of whatever's on the screen. For example, say I have Sublime Text open with a dark theme,...
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62 views

Is there any way to post-process streaming HTML5 or flash video, e.g. tweak sharpness and contrast during playback?

Note: I don't want to mess with my monitor controls, I just want to affect video playing in my browser. I want to be able to tweak a bunch of things like brightness, white balance, sharpness, ...
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0answers
26 views

Avoid multiple power profiles in windows 10

In windows 10, there are two power profiles, which are active based on whether the power cord is plugged in or not. Both have independent screen brightness levels. So if the brightness level is ...
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6answers
3k views

brightness control stops working after latest windows 10 update

I have googled this issue and tried every single solution that has come up. All my computers' brightness controls have stopped working. Some broke after the creators update, some broke after the ...
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1answer
670 views

Brightness adjustment gone

I have a W10 all-in-one desktop that I use, I used to have a little brightness button in the action center where I could adjust the brightness. (I could also right click and manually adjust a slider ...
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0answers
52 views

My laptop sometimes gets darker when I want to brighten the display up and vice versa

Sometimes when I press the "darken display" or "brighten display" key on my HP 250-G3 it does the opposite. It doesn't always occur. Sometimes when I turn it on it behaves correctly for the whole time ...
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0answers
352 views

No solutions to change brightness on Ubuntu 16.04 LTS

I recently bought a new laptop (MSI GL62M 7RDX) and installed a Windows 10 / Ubuntu dual boot on it. The thing is, there's no way I can't change the brightness on Ubuntu. I had the same problem on ...
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1answer
69 views

Dell monitor changes brightness automatically between applications, how can I disable this?

I have a Dell monitor that changes brightness when I task from application to application. I think the culprit is the program Dell Display Manager. Let me observe this a little longer. The question is ...
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1answer
1k views

Latest Windows 10 update has enforced adaptive brightness

I have a Samsung XE700T1C tablet/laptop, which before the latest 1709 update was behaving as intended when attempting to amend the brightness controls. Naturally, I've disabled adaptive brightness ...
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5answers
1k views

XFCE change brightness steps and/or change brightness key behavior

I'm trying to change the brightness steps in XFCE from 10 to 20. I'd like the ability to gradually change the laptop's brightness by 5% instead of 10%. Is there a way to set this up with a config file ...
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1answer
785 views

My laptop screen dims when a dark image is shown onscreen

I have a Windows 10 Dell XPS 15 (9530) laptop which is working fine except for the fact that when plugged in (not on battery) the screen dims whenever I view a dark image/content on the screen. Note ...
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1answer
306 views

How to make my adjust monitor brightness by a simple soft

I have two monitor, one is benq BL2410PT , another is ausu vx279. I have tried below two soft: http://noeld.com/programs.asp#Display (How do I set up a hotkey or shortcut to rotate my screen in ...
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3answers
3k views

Windows 10 laptop keeps adapting brightness (“Adaptive Brightness” is disabled)

My Windows 10 laptop keeps adapting the brightness of my screen. I did some research and found that the problem could be the Windows' "adaptive Brightness" feature. I disabled it but kept having the ...
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0answers
52 views

How can I automatically adjust the brightness of my screen when switching between dark and light sources?

Often I will have my brightness set for a dark-mode website, but when I click an outside link I get blinded by the pure white background. Usually turning down the brightness by a "notch" on my laptop ...
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0answers
43 views

Adjust laptop display out of range

I have Dell Precision m4800. I set display backlight to 0% however it is still very bright. Is it possible to make it darker more? I think it should be (device has that option) because when adaptive ...
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1answer
794 views

Permanently set specific brightness percentage for power plan

I would like to set the screen brightness to a very specific percentage (let's say 82%, 23% and the like as examples). Windows Mobility Center has a slider that shows the % as a tooltip when you ...
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0answers
766 views

How to change brightness in FreeBSD?

I installed FreeBSD 10.3 stable on my HP laptop and installed Mate desktop, but I can not change laptop's brightness. I used xrandr, xbacklight, redshift and they did not work. I loaded acpi_video ...
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1answer
1k views

Change brightness on LG 22MP68VQ monitor

I have two LG 22MP68VQ monitors connected to an iMac running macOS Sierra. I want to dim the backlight on the monitors. I'm pretty sure you can't do it on a software level and have tried things like ...
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0answers
123 views

How to restore default Dell laptop screen brightness level?

Ubuntu 16.04 on Dell Inspiron laptop. Laptop screen brightness somehow abruptly diminished, I can adjust it manually via System settings > Brightness & Lock, though. But what is the default ...
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1answer
871 views

Unable to change brightness on Macbook Air using Linux Mint 18.1

Since installing Linux Mint (XFCE) on my late-2010 Macbook Air, I've had problems changing the brightness while using the proprietary Nvidia drivers. The function keys for brightness have never ...
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1answer
230 views

Losing ability to adjust brightness after every cold boot

My tablet comes with Atom x5 Z8300 and its built-in Intel HD Graphics. I have wiped out its old, pre-installed Windows 10 v10240 and installed Creators Update myself, but I also took the time to back ...
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0answers
1k views

Can't set backlight brightness

I'm trying Arch Linux and I'm stuck with this problem: I can't set the brightness of my laptop display. I read https://wiki.archlinux.org/index.php/backlight and other troubleshooting pages about this ...
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1answer
750 views

BenQ monitor automatically changes brightness based on background colour

Whenever I am doing something that has a dark background, my main monitor automatically dims itself. At first I thought it was dynamic contrast, but it's not turned on. I also tried disabling sensor ...
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1answer
437 views

acpi not running action

I have a scripts to control display brightness: /etc/acpi/actions/bl_down.sh: #!/bin/sh bl_device=/sys/class/backlight/intel_backlight/brightness echo $(($(/usr/bin/cat $bl_device)-10)) | sudo /usr/...
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0answers
1k views

Windows 10 Action Center Brightness Button not working

I'm not sure if this is the right community to ask about this, so if there's somewhere else I should be, let me know please. Until today, my brightness could be toggled using the action center (the 0%...
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1answer
843 views

How do I decrease the screen brightness in f.lux?

I've heard that, in addition to controlling screen temperature, you can use f.lux to decrease the brightness of your screen. However, I couldn't find a brightness option in settings, nor could I find ...
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0answers
133 views

How to create a script to run with Windows Task Scheduler to reduce by 20% screen brightness at a predetermined time [closed]

I would like to create a script or program to run at a predetermined time with the task scheduler to reduce the screen brightness of my laptop; I don't want to press the F11 key during the evening and ...
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1answer
119 views

Changing Brightness

On entering workspace switcher, I have a grid of 3 x 3. The active workspace has a brightness of 100% and the inactive workspaces have a brightness of 40%. In ccsm under Desktop --> Expo --> ...
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1answer
476 views

How to prevent macOS Sierra from resetting manually set brightness?

On both my 2015 Macbook Pro and 2012 MacBook Air (Sierra) brightness changes (usually to a brighter level) from what I had set it (sometimes as soon as 5 minutes ago). Auto adjust brightness is ...
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0answers
212 views

Laptop monitor brightness goes to zero randomly

I have a strange problem with my HP Pavilion laptop. The brightness of screen goes randomly zero but everything else work perfect. increasing brightness of screen doesn't change anything. If you turn ...
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1answer
1k views

I cannot adjust brightness in Lenovo G580 laptop windows 7 [closed]

I am not able to adjust the brightness on my Lenovo G580 laptop. There is also no notification when clicking on the volume icon.
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1answer
1k views

How to lower screen brightness on a Windows 10 Desktop

How do I adjust screen brightness in my Windows 10 PC? I have tried to just go into the power settings but there is no slider there as it is supposed to be, and not in the notification icon as it is ...
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0answers
27 views

No change of brightness

My Dell laptop brightness is at stuck at maximum even if i decrease it to minimum value it doe snot change . I don't understand what is the problem, any idea guys its AMD E1 processor. I have ...
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0answers
105 views

brightness issue when mouse over the link in windows settings

i've just bought a new asus laptop ux330ua with preinstalled windows 10 pro on it. Issue: when i mouse over the link in windows settings(for example) the screen becomes darker little bit then when i ...
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2answers
11k views

Brightness keeps changing in Windows 10 x64

I have tried everything, going to advanced power settings, system settings but nothing. I have also tried to go to Intel options but i don't see any option to turn off power saving so I don't know ...
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1answer
378 views

Disable autobrightness on PC

My screen's brightness auto change sometimes when I watch a movie or play games. Especially when I toggle Tab menu on/off in league of legends, my screen start diming/lighting, also when I toggle the ...
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0answers
90 views

Windows 7 doesn't dim the screen as far as Windows 10

I want to start out by saying I'd rather avoid third party programs like Dimmer, PangoBright, etc if possible. I don't think I need them, since I know my hardware is capable of what I want. I have a ...
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1answer
715 views

Brightness buttons not working (but the rest of the fn keys do)

I have a Dell XPS 13 (2016 version) and the brightness Fn keys suddenly stopped working. I updated my display driver, but the buttons still don't work. When I press one of them, my brightness ...
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1answer
108 views

Laptop display automaticaly changes brightness, despite all options being set to not do it

I'm on ACER laptop (v3-371 with Intel HD Graphics 5500), running Windows 10. The issue I'm struggling with is the screen brightness that keeps automaticaly adjusting when I'm running on battery. I've ...