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, Ma isi

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

Ia mautinoa e fai se mea e toe fa'afo'isia ai ina ne'i iai se mea e tupu.

Metotia 1: Faʻalauiloa Avega Faʻapitoa Adaptors

1. Oomi le Windows Key + R ona lolomi lea devmgmt.msc ma lavea ulufale e tatala Pule Faʻatonu.

2. Faalautele Faʻaali atu mea faʻapipiʻi and then right-click on the integrated graphics card and select Toe faaleleia le Avetaavale.

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

3. Ona kiliki lea Suʻe le aunoa mo le faʻafouina o le komepiuta and let it install the driver automatically.

Manatua: 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 Toe faaleleia le Avetaavale and this time click on Suʻe laʻu komepiuta mo le masini komepiuta.

6. Le isi, kiliki i luga Sei ou filifilia mai se lisi o avetaavale o loʻo avanoa i lau komepiuta filifiliga i le pito i lalo.

7. Lenei siaki "Faʻaali masini talafeagai” then from the list select Fa'aaliga Fa'aaliga Fa'apitoa a Microsoft ma kiliki E sosoo ai.

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 Settings.

2. Lenei kiliki luga fāʻali from the Intel HD Graphics Control Panel.

3. Mai le lisi agavale, filifili Color Settings.

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

Metotia 3: Adjust screen brightness using Power Options

1. Taumatau-kiliki i le Faailoga eletise i luga o le faletusi ma filifili Filifiliga o le Mana.

2. O lea kiliki Sui suiga o fuafuaga next to currently active power plan.

3. kiliki Suʻe suiga i malosiaga faʻaopoopo i lalo.

4. From the Advanced settings window, find and expand Faaali atu.

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

Faaali atu pupula
Dimmed display brightness
Faʻamalamalama le susulu talafeagai

5. Change each of these to the settings you wish, but make sure “Faʻamalamalama le susulu talafeagai”O ua tape. 

6. Once done, click Apply followed by OK.

7. Toe fa'afou lau PC e teu ai suiga.

Metotia 4: Faʻaleleia le Generic PnP Monitor

1. Oomi le Windows Key + R ona lolomi lea devmgmt.msc ma kiliki Enter e tatala ai le Pule Faʻatonu.

2. Faalautele Suʻesuʻega ona kiliki lea i luga Generic PnP Mataitu ma filifili Faʻataga.

3. Toe fa'afou lau PC e teu ai suiga ma va'ai pe mafai fix can’t adjust screen brightness in Windows 10 issue.

Metotia 5: Faʻafou Generic PnP Monitor Driver

1. Oomi le Windows Key + R ona lolomi lea devmgmt.msc ma lavea Ulufale.

2. Faalautele Suʻesuʻega ona kiliki lea i luga Generic PnP Mataitu ma filifili Toe faaleleia le Avetaavale.

3. Filifili Suʻe laʻu komepiuta mo le masini komepiuta.

4. Le isi, kiliki i luga Sei ou filifilia mai se lisi o avetaavale o loʻo avanoa i lau komepiuta filifiliga i le pito i lalo.

5. Nei filifili Generic PnP Mataitu ma kiliki leisi.

6. Toe fa'afou lau PC e teu ai suiga ma va'ai pe mafai fix unable to adjust screen brightness on Windows 10 issue.

Metotia 6: Fa'afou le Ta'avale Card Graphics

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. Oomi le Windows Key + R ona lolomi lea devmgmt.msc ma lavea Ulufale.

2. Now from Device Manager menu click Vaʻai> Faʻaali masini nana.

3. Right-click on each of the hidden devices listed under Suʻesuʻega ma filifili Uninstall Pipi.

4. Toe fa'afou lau PC e teu ai suiga ma va'ai pe mafai adjust screen brightness in Windows 10.

Metotia 8: Lesitala Fix

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

1. Oomi le Windows Key + R ona lolomi lea faʻatonutonu ma kiliki Enter e tatala le Resitala Editor.

2. Su'e i le ki Resitala nei:

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.

Fautuaina mo oe:

Ou te faʻamoemoe na fesoasoani laasaga o loʻo i luga ma na e mafaia 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.