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, Nk

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

Hakikisha umeunda mahali pa kurejesha ikiwa tu kitu kitaenda vibaya.

Njia 1: Sasisha Dereva za Adapter za Uonyesho

1. Bonyeza Windows Key + R kisha uandike devmgmt.msc na piga Enter kufungua Mwongoza kifaa.

2. Panua Onyesha adapters and then right-click on the integrated graphics card and select Sasisha Dereva.

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

3. Kisha bonyeza Tafuta moja kwa moja kwa programu ya dereva iliyo updated and let it install the driver automatically.

Kumbuka: 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 Sasisha Dereva and this time click on Vinjari kompyuta yangu kwa programu ya dereva.

6. Ifuatayo, bonyeza Hebu nipate kutoka kwenye orodha ya madereva zilizopo kwenye kompyuta yangu chaguo chini.

7. Sasa checkmark "Onyesha maunzi yanayolingana” then from the list select Adapter ya Uonyesho ya Msingi ya Microsoft na bonyeza Ijayo.

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 Mipangilio ya Graphics ya Intel.

2. Sasa bofya Kuonyesha from the Intel HD Graphics Control Panel.

3. Kutoka kwenye menyu ya mkono wa kushoto, chagua Color Settings.

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

Method 3: Adjust screen brightness using Power Options

1. Bonyeza-kulia kwenye Ikoni ya nguvu kwenye kikosi cha kazi na chagua Chaguzi za Nguvu.

2. Sasa bofya Badilisha mipangilio ya mpango next to currently active power plan.

3. Bonyeza Badilisha mipangilio ya nguvu ya juu chini.

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

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

Onyesha mwangaza
Dimmed display brightness
Wezesha mwangaza uliofaa

5. Change each of these to the settings you wish, but make sure “Wezesha mwangaza uliofaa”Ni akageuka mbali. 

6. Once done, click Apply followed by OK.

7. Washa upya Kompyuta yako ili kuhifadhi mabadiliko.

Njia ya 4: Wezesha Ufuatiliaji wa PnP wa kawaida

1. Bonyeza Windows Key + R kisha uandike devmgmt.msc na ubonyeze Ingiza ili kufungua Kidhibiti cha Kifaa.

2. Panua Wachunguzi kisha bonyeza-click Mfuatiliaji wa kawaida wa PnP na chagua Wezesha.

3. Washa upya Kompyuta yako ili kuhifadhi mabadiliko na uone kama unaweza fix can’t adjust screen brightness in Windows 10 issue.

Njia ya 5: Sasisha Dereva wa Ufuatiliaji wa PnP wa kawaida

1. Bonyeza Windows Key + R kisha uandike devmgmt.msc na hit Enter.

2. Panua Wachunguzi kisha bonyeza-click Mfuatiliaji wa kawaida wa PnP na chagua Sasisha Dereva.

3. Chagua Vinjari kompyuta yangu kwa programu ya dereva.

4. Ifuatayo, bonyeza Hebu nipate kutoka kwenye orodha ya madereva zilizopo kwenye kompyuta yangu chaguo chini.

5. Sasa chagua Mfuatiliaji wa kawaida wa PnP na bonyeza Ijayo.

6. Washa upya Kompyuta yako ili kuhifadhi mabadiliko na uone kama unaweza fix unable to adjust screen brightness on Windows 10 issue.

Njia ya 6: Sasisha Kiendesha Kadi ya Michoro

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. Bonyeza Windows Key + R kisha uandike devmgmt.msc na hit Enter.

2. Now from Device Manager menu click Angalia> Onyesha vifaa vilivyofichwa.

3. Right-click on each of the hidden devices listed under Wachunguzi na chagua Kufuta Kifaa.

4. Washa upya Kompyuta yako ili kuhifadhi mabadiliko na uone kama unaweza adjust screen brightness in Windows 10.

Njia ya 8: Kurekebisha Usajili

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

1. Bonyeza Windows Key + R kisha uandike regedit na ubonyeze Ingiza ili kufungua Mhariri wa Msajili.

2. Nenda kwa ufunguo ufuatao wa Usajili:

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.

Imependekezwa kwa ajili yenu:

Natumai hatua zilizo hapo juu zilisaidia na umeweza 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.