Fix Can’t adjust screen brightness in Windows 10

Fix Can’t adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you can’t adjust the screen brightness, in short, screen brightness settings stopped working. If you try to adjust the brightness using Windows Settings apps, you won’t be able to change anything, as dragging the brightness level up or down will do nothing. Now if you try to adjust brightness using the brightness keys on the keyword then it would display the brightness level going up and down, but nothing would actually happen.

Why I am unable to adjust screen brightness on Windows 10?

If you have enabled automatic battery management then if the battery starts to become low the brightness will be automatically changed to dim settings. And you won’t be able to adjust the brightness again until you will change the battery management settings or charge your laptop. But the issue can be a number of different things for example corrupted drivers, incorrect battery configuration, ATI bug, Etc.

This is quite a common issue which a lot of Windows 10 users are facing right now. This issue can also be caused because of the corrupt or incompatible display driver and thankfully this issue can be easily resolved. So without wasting any more time let’s see how to actually fix can’t adjust screen brightness in Windows 10 with the help of below-listed steps.

Fix Can’t Adjust Screen Brightness in Windows 10

Ita shuwa yekugadzira nzvimbo yekudzosera kana chimwe chinhu chikatadza.

Maitiro 1: Gadziridza Ratidza Adapter Adhiraivha

1. Dzvanya Windows Key + R wobva wanyora devmgmt.msc ndokurova Enter kuti uvhure Device Device.

2. Wedzera Ratidzai adapters and then right-click on the integrated graphics card and select Update Driver.

Cherechedza: The integrated graphics card would be something like Intel HD Graphics 4000.

3. Wobva wadzvanya Tsvakurudza zvakananga kuti uvandudze software yekutya and let it install the driver automatically.

Cherechedza: Make sure you have a good internet connection in order for Windows to automatically download the latest drivers.

4. Reboot your PC and see if the issue is resolved or not.

5. If not then again select Update Driver and this time click on Tsvaga yekombiyuta yangu kune software yekufambisa.

6. Tevere, tinya Rega nditore kubva pane rondedzero yevatyairi inowanikwa pakombuta yangu sarudzo pazasi.

7. Zvino cheki "Ratidza Hardware inoenderana” then from the list select Microsoft Basic Ratidza Adapter uye baya Zvadaro.

8. Let it install the basic Microsoft display driver and reboot your PC to save changes.

Method 2: Adjust the brightness from Graphics Settings

1. Right-click in an empty area on the desktop then select Intel Graphics Zvirongwa.

2. Zvino tinya kuratidza from the Intel HD Graphics Control Panel.

3. Kubva kuruboshwe-kurudyi menyu, sarudza Color Settings.

4. Adjust the Brightness slider according to your liking and once done, click Shandisa.

Method 3: Adjust screen brightness using Power Options

1. Tinya-kurudyi pane iyo Simba icon pane bhata rebasa uye sarudza Simba Sarudzo.

2. Zvino tinya Shandura hurongwa hwezvirongwa next to currently active power plan.

3. Dzvanya Shandura zvirongwa zvemasimba epamusoro kuzasi.

4. From the Advanced settings window, find and expand Ratidza.

5. Now locate and click each of the following to expand their respective settings:

Ratidza kupenya
Dimmed display brightness
Gonesa kupenya kunochinja

5. Change each of these to the settings you wish, but make sure “Gonesa kupenya kunochinja” akadzima. 

6. Once done, click Apply followed by OK.

7. Reboot PC yako kuchengetedza shanduko.

Maitiro 4: Gonesa Generic PnP Monitor

1. Dzvanya Windows Key + R wobva wanyora devmgmt.msc uye rova ​​​​Enter kuti uvhure Device Manager.

2. Wedzera Monitors wobva wadzvanya-kurudyi Yakajairika PnP Monitor uye sarudza Gonesa.

3. Reboot PC yako kuchengetedza shanduko uye ona kana uchikwanisa fix can’t adjust screen brightness in Windows 10 issue.

Maitiro 5: Gadziridza Generic PnP Monitor Mutyairi

1. Dzvanya Windows Key + R wobva wanyora devmgmt.msc uye hit Beat.

2. Wedzera Monitors wobva wadzvanya-kurudyi Yakajairika PnP Monitor uye sarudza Update Driver.

3. Sarudza Tsvaga yekombiyuta yangu kune software yekufambisa.

4. Tevere, tinya Rega nditore kubva pane rondedzero yevatyairi inowanikwa pakombuta yangu sarudzo pazasi.

5. Zvino sarudza Yakajairika PnP Monitor uye tinya Inotevera.

6. Reboot PC yako kuchengetedza shanduko uye ona kana uchikwanisa fix unable to adjust screen brightness on Windows 10 issue.

Method 6: Gadziridza Graphics Card Driver

If the Nvidia Graphics drivers are corrupted, outdated or incompatible then you won’t be able to adjust screen brightness in Windows 10. When you update Windows or install a third-party app then it can corrupt the video drivers of your system. In order to resolve this issue, you need to update your graphics card drivers in order to fix the underlying cause. If you face any such issues then you can easily update graphics card drivers with the help of this guide.

Method 7: Delete hidden devices under PnP Monitors

1. Dzvanya Windows Key + R wobva wanyora devmgmt.msc uye hit Beat.

2. Now from Device Manager menu click Wona> Ratidza zvakavanzika zvigadzirwa.

3. Right-click on each of the hidden devices listed under Monitors uye sarudza Uninstall Mudziyo.

4. Reboot PC yako kuchengetedza shanduko uye ona kana uchikwanisa adjust screen brightness in Windows 10.

Nzira 8: Registry Fix

Cherechedza: This method is only for users who have ATI graphics card and have Catalyst installed.

1. Dzvanya Windows Key + R wobva wanyora regedit uye rova ​​​​Enter kuti uvhure Registry Mharidzo.

2. Enda kukiyi yeRegistry inotevera:

HKEY_LOCAL_MACHINE  SYSTEM  ControlSet001  ControlClass  {4d36e968-e325-11ce-bfc1-08002be10318}  0000

3. Now double-click on the following Registry keys and set their value to 0 then click OK:

MD_EnableBrightnesslf2
KMD_EnableBrightnessInterface2

4. Next, navigate to the following key:

HKEY_LOCAL_MACHINE  SYSTEM  CurrentControlSet  Control  Class {4d36e968-e325-11ce-bfc1-08002be10318}  0001

5. Again double-click on MD_EnableBrightnesslf2 and KMD_EnableBrightnessInterface2 then set their value’s to 0.

6. Close everything and restart your PC to save changes.

Yakakurudzirwa iwe:

Ndinovimba matanho ari pamusoro akabatsira uye wakakwanisa fix Can’t Adjust Screen Brightness in Windows 10 but if you still have any questions regarding this post feel free to ask them in the comment section.