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, Njl

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

Qinisekisa ukwenza indawo yokubuyisela nje ukuba kukho into engahambi kakuhle.

Indlela yoku-1: Hlaziya abaqhubi be-Adapter yokubonisa

1. Cofa i-Windows Key + R uze uchwetheze nqa.c.cc kwaye ucofe u-Enter ukuvula Umlawuli wesixhobo.

2. Yandisa Bonisa ii-adapters and then right-click on the integrated graphics card and select Ukuhlaziya umqhubi.

Phawula: The integrated graphics card would be something like I-Intel HD Graphics 4000.

3. Emva koko cofa Khangela ngokuzenzekelayo ukuhlaziya isofthiwe yomqhubi and let it install the driver automatically.

Phawula: 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 Ukuhlaziya umqhubi and this time click on Khangela icomputer yakho kwesoftware yomqhubi.

6. Emva koko, cofa apha Makhe ndikhethe uluhlu lwabaqhubi abakhona kwikhompyuter yam ukhetho ngasezantsi.

7. Ngoku khangela "Bonisa izixhobo ezihambelanayo” then from the list select IMicrosoft Isibonisi esiBonayo kwaye nqakraza Okulandelayo.

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 Izixhobo ze-Intel Graphics.

2. Ngoku cofa apha Bonisa from the Intel HD Graphics Control Panel.

3. Kwimenyu esekhohlo, khetha Color Settings.

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

Indlela ye3: Adjust screen brightness using Power Options

1. Cofa ekunene kwi I icon yamandla kwibar yomsebenzi kwaye ukhethe Izinketho zamandla.

2. Ngoku cofa Tshintsha izicwangciso zesicwangciso next to currently active power plan.

3. nqakraza Shintsha izicwangciso zamandla eziphambili emazantsi.

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

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

Ukuqaqamba
Dimmed display brightness
Nika amandla ukukhanya okuguqukayo

5. Change each of these to the settings you wish, but make sure “Nika amandla ukukhanya okuguqukayo"Ngu icinyiwe. 

6. Wakuba ugqibile, cofa u-Apply kulandelwa ngu-Kulungile.

7. Qalisa kwakhona iPC yakho ukugcina utshintsho.

Indlela yesi-4: Nika amandla iGeneric PnP Monitor

1. Cofa i-Windows Key + R uze uchwetheze nqa.c.cc kwaye ucofe u-Enter ukuvula uMphathi wesiXhobo.

2. Yandisa Abahloli kwaye emva koko ucofe ekunene Ukubeka iliso kwi-PnP yesiqhelo kwaye ukhethe Nika amandla.

3. Qalisa kwakhona iPC yakho ukugcina utshintsho kwaye ubone ukuba uyakwazi na fix can’t adjust screen brightness in Windows 10 issue.

Indlela yesi-5: Hlaziya iGeneric PnP Monitor Driver

1. Cofa i-Windows Key + R uze uchwetheze nqa.c.cc uze utshayele ukungena.

2. Yandisa Abahloli kwaye emva koko ucofe ekunene Ukubeka iliso kwi-PnP yesiqhelo kwaye ukhethe Ukuhlaziya umqhubi.

3. Khetha Khangela icomputer yakho kwesoftware yomqhubi.

4. Emva koko, cofa apha Makhe ndikhethe uluhlu lwabaqhubi abakhona kwikhompyuter yam ukhetho ngasezantsi.

5. Ngoku khetha Ukubeka iliso kwi-PnP yesiqhelo kwaye ucofe Okulandelayo.

6. Qalisa kwakhona iPC yakho ukugcina utshintsho kwaye ubone ukuba uyakwazi na fix unable to adjust screen brightness on Windows 10 issue.

Indlela yoku-6: Hlaziya iKhadi loMqhubi weKhadi leMizobo

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. Cofa i-Windows Key + R uze uchwetheze nqa.c.cc uze utshayele ukungena.

2. Now from Device Manager menu click Jonga> Bonisa izixhobo ezifihliweyo.

3. Right-click on each of the hidden devices listed under Abahloli kwaye ukhethe Khipha Isixhobo.

4. Qalisa kwakhona iPC yakho ukugcina utshintsho kwaye ubone ukuba uyakwazi na adjust screen brightness in Windows 10.

Indlela 8: Registry Fix

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

1. Cofa i-Windows Key + R uze uchwetheze regedit kwaye ucofe u-Enter ukuvula iRegistry Editor.

2. Yiya kweli qhosha lilandelayo loBhaliso:

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.

Kunconywe kuni:

Ndiyathemba ukuba la manyathelo angentla abe luncedo kwaye ukwazile 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.