Questions tagged [brightness]

Questions related to screen brightness.

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10 views

Windows 10 - Night light settings - Default strength level

What is the default Night light settings Strength level on Windows 10?
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3answers
62 views

I have a lenovo idea pad slim. Whenever i unplug the charger the brightness dims. How do i turn this feature off?

I have tried to alter it but so far had no luck. I am unsure how to turn adaptive brightness off, and when i attemt to change my settings, it says 'balanced' is my only option in regards to display ...
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how to enable adaptive brightness on windows 10?

I have a Dell Latitude 5590. The problem is Screen brightness does not adapt when it is plugged or unplugged. It is always the same. I manually reduce brightness when it is unplugged. And it remains ...
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How to automatically set external monitor britghtenss to minimum whenever it is switched on?

I have an Acer laptop running windows 10, and I occasionally connect a Lenovo external monitor through HDMI to see things in a bigger screen. Unfortunately, the external display defaults to brightness ...
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1answer
103 views

Should the display's color match the wall?

Since the brightness of your display is supposed to match the 'brightness' (of the wall) behind the display; can I stick a large light orange shade of paper behind my LCD display and then use Windows ...
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1answer
26 views

Impossible to adjust brightness (only after sleep/wakeup) of my Thinkpad / Windows 7 laptop

I usually change my laptop's brightness with: Fn + Home / End: Increase/Decrease display brightness and it works well. However, ~50% of the time, after a Sleep / Resume, the brightness is stuck ...
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1answer
97 views

Kali Linux 2020 Brightness Issue

When I try to decrease brightness means it won't change. I have seen some videos in youtube channel and try to install 'apt-get install xblacklight' this command showing an error that 'E: Unable to ...
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1answer
829 views

HP Hotkey UWP Service: Fn is not working for brightness increasing/decreasing

I'm using HP Probook 440 G4 for last 3 months. And I couldn't increase/decrease brightness using Fn+F5/F6. Every time I tried, it said something like this. [Window name] HP Hotkey UWP Service ...
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1answer
36 views

how to pick a lower brightness monitor

on my monitor now I'm on 0% brightness and during the day it's ok for me, but at night is much too bright, and I don't know at what specs to look at when buying a new monitor that will be able to get ...
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79 views

FFMEG Adjust Brightness Runtime

I use the following command to display yuv video; ffmpeg -v debug -re -probesize 32 -buffer_size 500000 -protocol_whitelist file,rtp,udp -strict -2 -i test.106.sdp -pix_fmt yuv420p -f sdl "CH1" test....
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How do I enable adaptive screen brightness in Windows 10 on my iMac?

My iMac, when running Windows 10, does not adjust brightness automatically despite "Change brightness automatically when lighting changes" being on in Settings. If I drag the slider, it does work, but ...
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1answer
79 views

Laptop Brightness not changable

I have a Lenovo Z500(non-touch), and just installed Windows 10. looks like I can only change the monitor's brightness when the Lenovo logo shows up after starting up the laptop. If I touch the ...
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1answer
43 views

Nano points to ./.brightness.swp when writing to /sys/class/backlight/acpi_video0/brightness

Trying to change the screen brightness of my computer and having failed by conventional methods, I found out that one way is to simply change the value of /sys/class/backlight/acpi_video0/brightness. ...
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Lenovo Z500 laptop screen goes dim after pressing F11

The screen brightness changed from normal to very low right after I pressed F11. Prior to pressing it, I was already unable to adjust the screen brightness as I was using linux mint - which seems to ...
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36 views

Adjust Windows 10 Automatic Screen Brightness Sensitivity

I have a Surface Book 2, which has an option to automatically adjust screen brightness based on ambient light. When active, it combines the manually set brightness and the automatic offset so that ...
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1answer
163 views

How to set screen brightness per application in Windows?

I hop between my browser and a few applications, and only one (an IDE) is dark-themed; for optimal viewing, I raise brightness on the IDE (IntelliJ IDEA) - but that makes every other application too ...
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209 views

KDE Plasma 5 - adjust “dimmed” screen brightness

KDE 5 power management allows to enable screen dimming after some period of inactivity: I'm using 900 nit high brightness display in laptop but I usually work at night so my typical "full" brightness ...
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1answer
104 views

Automate desktop screen brightness according to daytime on external monitor

I am using a regular external monitor with a PC and would like to be able to adjust the brightness of the monitor according to daytime automatically. So, in the morning it should start a bit darker ...
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51 views

Ubuntu and xrandr brightness command

I have a BIOSTAR P4M900-M7 FE motherboard, which has a VIA P4M900 Chrome9 chipset (yes, old, but powerful for basic usage, everything I need). The point is that I made a new installation of Ubuntu ...
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139 views

Brightness control not working elementary os

Brightness control works perfectly on kubuntu, but not on elementary os. How to fix that? I've tried updating grub, but that's no working (tried =vendor, video, natural, none). Haven't tried updating ...
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1answer
58 views

Brightness control in Windows 10 doesn't work

I have installed Windows 10 on my XMG Clevo Model P150HM laptop and the brightness control does not work. Neither the buttons Fn + F8 / F9 (those are the buttons with the brightness icons) nor the ...
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1answer
2k views

Can't alter brightness on Dell XPS 15 9570 OLED (Ubuntu)

I cannot change my laptop's screen brightness via keyboard shortcuts or the slider in Gnome's drop down settings. I have tried Ubuntu 18.04, 19.04, and PopOS. I have tried every solution I could find ...
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1answer
101 views

Why can't I dim the brightness on my Windows 10 laptop?

I am unable to dim my laptop screen or turn on/enable the Night Light. It is always at 100% brightness, even when all slider bars move up and down. Symptoms: Using the function keys does not dim/...
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3answers
157 views

Are there PC monitors with ability to change hardware settings from PC, like brightness?

Really curious about the subject possibility. For instance, like we can change brightness on laptops. I'd like to adjust brightness and contrast at least, from OS. Quickly. P.S. Unfortunately, the ...
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30 views

Restore screen brightness automatically at boot

I want to run this script on ubuntu 19.04, after booting the OS to restore the previous screen brightness: echo 50 > /sys/class/backlight/nvidia_0/brightness How can I run this script so it takes ...
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1answer
100 views

Is it possible to increase the brightness (light) only in specific area of the display?

I have Lenovo T460, I use to listen songs (Video songs) while working on other window. Like this: I would like to increase the brightness only for the specific window, in this case the one window ...
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175 views

My computer's display goes bright and dark automatically

I have a Windows 10 PC but recently I realised that when I look at something bright my screen turns its brightness down but when I look at something dark my brightness goes bright? I don't know I'm ...
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41 views

Cannot change screen brightness after changing windows

I have an "HP Pavilion Power Laptop 15-cb0xx" laptop, it has initially windows 10 installed on it. For several reasons, I install windows 7 professional 64-bit on it instead of windows 10. But now, ...
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1answer
111 views

How to get 2 different iiyama monitors' color settings alike

I had an old 26" iiyama, as 2nd monitor which had his best time, so I ordered a new one. I'd love to have an identical monitor as my primary one, but unfortunately iiyama doesn't produce that model ...
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79 views

How to change Windows 10 brightness slider back to button after 19h1 update

The Windows 10 19H1 update changed the brightness button in the action center to a slider. I hate it and and want the button back - how do i do that?
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1answer
484 views

Broken Laptop Keyboard - Disable Brightness Keys or Add New Shortcuts in Windows 10

A few of my laptop keys no longer function after our 4 year old raged out on the keyboard in a fit of gaming frustration. One of these keys is the brightness increase fn key (f12). This means that ...
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1answer
32 views

f.lux overrides media player classic settings

I've bin using f.lux for a while and its a great app. As for me, the only (tiny) drawback that makes f.lux almost perfect but not completely perfect - is some issue that I'm having with video ...
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73 views

Screen automatically dims

So, I have a W10 HP ENVY laptop, I'm used to code with a dark themed IDLE, the thing is, the screen automatically dims whenever i'm using some dark themed program, but when I open a bright program (...
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1answer
183 views

Adjust brightness on screen without hardware buttons

I have a small Waveshare 7' Touch Screen LCD connected to my Windows 10 PC via HDMI. The screen is very bright by default. According to this document, soldering is required in order to access the ...
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2answers
2k views

Disable Brightness Change when charging Lenovo Ideapad

I have a Lenovo 320S-15IKB (Type 81BQ) Ideapad Laptop. This is a new laptop with latest versions of drivers and utilities installed. When using the Intel Graphics app, I attach the charge cable, ...
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1answer
106 views

Automatic dimming light of screen on Asus laotop

So, I noticed from time to time, that brightness on my laptop goes down on it's own, although I have disabled auto-brightness (Control panel -> Display -> Night life -> OFF) and have it constantly at ...
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2k views

Windows 10 1809 Brightness Settings Disappeared

After manually installing the Windows 10 1809 update, the display brightness option disappeared from my battery panel, the mobility center and the power options in the control panel. It's still ...
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1answer
118 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
2k 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
30 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
53 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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1answer
946 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
8k 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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7answers
10k 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
2k 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
54 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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526 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
134 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
2k 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
8k 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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