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, Uc

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

Noteikti izveidojiet atjaunošanas punktu, ja kaut kas noiet greizi.

1. metode: atjauniniet displeja adaptera draiverus

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet devmgmt.msc un nospiediet taustiņu Enter, lai atvērtu Ierīču pārvaldnieks.

2. Izvērst Displeja adapteri and then right-click on the integrated graphics card and select Update Driver.

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

3. Pēc tam noklikšķiniet uz Meklējiet automātiski atjauninātu draivera programmatūru and let it install the driver automatically.

Piezīme: 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 Pārlūkojiet datoru, lai atrastu draivera programmatūru.

6. Pēc tam noklikšķiniet uz Ļaujiet man izvēlēties no pieejamo draiveru saraksta manā datorā iespēja apakšā.

7. Tagad atzīme "Rādīt saderīgu aparatūru” then from the list select Microsoft pamata displeja adapteris un noklikšķiniet Nākamo.

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 grafikas iestatījumi.

2. Tagad noklikšķiniet uz displejs from the Intel HD Graphics Control Panel.

3. Kreisās puses izvēlnē atlasiet Color Settings.

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

Metode 3: Adjust screen brightness using Power Options

1. Ar peles labo pogu noklikšķiniet uz Barošanas ikona uzdevumjoslā un izvēlieties Barošanas opcijas.

2. Tagad noklikšķiniet Mainīt plāna iestatījumus next to currently active power plan.

3. klikšķis Mainīt papildu enerģijas iestatījumus apakšā.

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

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

Displeja spilgtums
Dimmed display brightness
Iespējojiet adaptīvo spilgtumu

5. Change each of these to the settings you wish, but make sure “Iespējojiet adaptīvo spilgtumu”Ir izslēgts. 

6. Once done, click Apply followed by OK.

7. Restartējiet datoru, lai saglabātu izmaiņas.

4. metode: iespējojiet vispārīgo PnP monitoru

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet devmgmt.msc un nospiediet taustiņu Enter, lai atvērtu ierīces pārvaldnieku.

2. Izvērst Monitori un pēc tam ar peles labo pogu noklikšķiniet uz Vispārējs PnP monitors un izvēlieties Iespējot.

3. Restartējiet datoru, lai saglabātu izmaiņas un pārbaudītu, vai varat to izdarīt fix can’t adjust screen brightness in Windows 10 issue.

5. metode: atjauniniet vispārējā PnP monitora draiveri

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet devmgmt.msc un nospiediet taustiņu Enter.

2. Izvērst Monitori un pēc tam ar peles labo pogu noklikšķiniet uz Vispārējs PnP monitors un izvēlieties Update Driver.

3. Izvēlieties Pārlūkojiet datoru, lai atrastu draivera programmatūru.

4. Pēc tam noklikšķiniet uz Ļaujiet man izvēlēties no pieejamo draiveru saraksta manā datorā iespēja apakšā.

5. Tagad atlasiet Vispārējs PnP monitors un noklikšķiniet uz Tālāk.

6. Restartējiet datoru, lai saglabātu izmaiņas un pārbaudītu, vai varat to izdarīt fix unable to adjust screen brightness on Windows 10 issue.

6. metode: atjauniniet grafikas kartes draiveri

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. Nospiediet Windows taustiņu + R, pēc tam ierakstiet devmgmt.msc un nospiediet taustiņu Enter.

2. Now from Device Manager menu click Skats> Rādīt slēptās ierīces.

3. Right-click on each of the hidden devices listed under Monitori un izvēlieties Atinstalēt Ierīce.

4. Restartējiet datoru, lai saglabātu izmaiņas un pārbaudītu, vai varat to izdarīt adjust screen brightness in Windows 10.

8. metode: reģistra labošana

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

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet regedit un nospiediet taustiņu Enter, lai atvērtu reģistra redaktoru.

2. Pārejiet uz šo reģistra atslēgu:

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.

Ieteicams:

Es ceru, ka iepriekš minētās darbības bija noderīgas un jums tas izdevās 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.