After 10 years of using monitors I found out that you can control their brightness via software (DDC/CI) : r/Monitors
Dell Alienware AW3423DWF Review - RTINGS.com
![How to turn DDC/CI: on or off [Gaming guide]](https://cdn.windowsreport.com/wp-content/uploads/2021/01/How-to-turn-DDCCI-on-or-off-Gaming-guide.jpg "How to turn DDC/CI: on or off [Gaming guide]")
How to turn DDC/CI: on or off [Gaming guide]
c++ - How to use GetMonitorCapabilities and GetMonitorBrightness functions - Stack Overflow
windows 7 - Turning DisplayPort monitor off disables monitor completely - Super User
What is Dell Display Manager | Dell Ireland
Solved: U2515H, DDM not detecting fixed, Enable DDC/CI - Dell Community
Acer G235H DDC not detected · Issue #89 · rockowitz/ddcutil · GitHub
How to Adjust Brightness in Desktop Computer (Simple Way)
User's Manual
1908FP, DDC/CI Power Control Not Working - Dell Community
GUIDE: Display control via Windows! Brightness, contrast, etc. (DDC/CI) | Overclock.net
What is DDC/CI and How to Use It - Appuals.com
GUIDE: Display control via Windows! Brightness, contrast, etc. (DDC/CI) | Overclock.net
![How to turn DDC/CI: on or off [Gaming guide]](https://cdn.windowsreport.com/wp-content/uploads/2021/01/DDC-CI-Off.jpg "How to turn DDC/CI: on or off [Gaming guide]")
How to turn DDC/CI: on or off [Gaming guide]
What does DDC/CI mean? - Definition of DDC/CI - DDC/CI stands for Display Data Channel/Command Interface. By AcronymsAndSlang.com
DDC/CI Support & Definition - Digital View blog
Solved: U2515H, DDM not detecting fixed, Enable DDC/CI - Dell Community
Turn off DDC/CI for my Monitor - Unix & Linux Stack Exchange
Dell 22 Monitor How To Enable & Disable DDC CI - YouTube
DDC-CI | Blur Busters
VESA DDC/CI Standard, Version 1.1
windows 7 - Turning DisplayPort monitor off disables monitor completely - Super User
Sony INZONE M9 Review - RTINGS.com
![Enabling Or Disabling Ddc/Ci Support - G&D DL-DVI-Vision-CAT Installation Und Bedienung [Seite 102] | ManualsLib](https://static-eu-data.manualslib.com/docimages/i10/49/4820/481939/102-enabling-or-disabling-ddc-ci-support-gd-dl-dvi-vision-cat.png "Enabling Or Disabling Ddc/Ci Support - G&D DL-DVI-Vision-CAT Installation Und Bedienung [Seite 102] | ManualsLib")
Enabling Or Disabling Ddc/Ci Support - G&D DL-DVI-Vision-CAT Installation Und Bedienung [Seite 102] | ManualsLib
U2717D, no signal, fix disable DDC/CI - Dell Community
U2715H, DDC/CI stopped working - Dell Community
