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, Me ētahi atu

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

Me whakarite ki te hanga i tetahi waahi whakaora mena ka raru tetahi mea.

Tikanga 1: Whakahouhia nga Atekōkiri Whakaaturanga Whakaaturanga

1. Press Windows Key + R ka patopato devmgmt.msc ka pa ki te Enter kia tuwhera Kaiwhakahaere Pūrere.

2. Whakanuia Whakaatuhia te hanganga and then right-click on the integrated graphics card and select Whakahōu Ateha.

Tuhipoka: The integrated graphics card would be something like Intel X Graphics 4000.

3. Na ka panui Rapua aunoa mo te whakahou i te pūmanawa atekōkiri and let it install the driver automatically.

Tuhipoka: 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 Whakahōu Ateha and this time click on Tirohia taku rorohiko mo te taraiwa.

6. Muri iho, paatohia Me tango mai i tetahi rarangi o nga taraiwa e wātea ana i runga i taku rorohiko kōwhiringa i raro.

7. Inaianei tohu "Whakaatuhia nga taputapu whakahoahoa” then from the list select Microsoft Basic Whakaaturanga Whāurutau a pāwhiri Tuhinga o mua.

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 Ngā Tautuhinga Whakaaturanga Intel.

2. Na ka pa ki runga whakaatu from the Intel HD Graphics Control Panel.

3. Mai i te tahua maui, tohua Color Settings.

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

Tikanga 3: Adjust screen brightness using Power Options

1. Paato matau-i runga i te Ata mana i runga i te papahinga ka tohua Kōwhiringa Mana.

2. Na pāwhiritia Huria nga tautuhinga mahere next to currently active power plan.

3. pāwhiri Hurihia nga tautuhinga mana whakamua i te raro.

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

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

Whakaatuhia te tiaho
Dimmed display brightness
Whakahohea te wherikotanga urutau

5. Change each of these to the settings you wish, but make sure “Whakahohea te wherikotanga urutau”Ko te ka hurihia. 

6. Kia oti, pawhiria te Hoatu ka whai i te OK.

7. Whakahouhia to PC hei tiaki i nga huringa.

Tikanga 4: Whakahohea te Arotake PnP Generic

1. Press Windows Key + R ka patopato devmgmt.msc ka pa ki te tomo ki te whakatuwhera i te Kaiwhakahaere Pūrere.

2. Whakanuia Ngā aroturuki a ka pāwhiri-matauhia Arotake PnP Whanui ka tīpako Whakahohe.

3. Whakahouhia to PC ki te tiaki i nga huringa ka kite mena ka taea e koe fix can’t adjust screen brightness in Windows 10 issue.

Tikanga 5: Whakahoutanga i te Atekōkiri Arotake PnP Generic

1. Press Windows Key + R ka patopato devmgmt.msc a ka tomo tomo.

2. Whakanuia Ngā aroturuki a ka pāwhiri-matauhia Arotake PnP Whanui ka tīpako Whakahōu Ateha.

3. Tīpako Tirohia taku rorohiko mo te taraiwa.

4. Muri iho, paatohia Me tango mai i tetahi rarangi o nga taraiwa e wātea ana i runga i taku rorohiko kōwhiringa i raro.

5. Na tohua Arotake PnP Whanui ka pāwhiri Panuku.

6. Whakahouhia to PC ki te tiaki i nga huringa ka kite mena ka taea e koe fix unable to adjust screen brightness on Windows 10 issue.

Tikanga 6: Whakahōu Atekōkiri Kāri Whakairoiro

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. Press Windows Key + R ka patopato devmgmt.msc a ka tomo tomo.

2. Now from Device Manager menu click Tirohia> Whakaatuhia nga taputapu huna.

3. Right-click on each of the hidden devices listed under Ngā aroturuki ka tīpako Wetetāuta Pūrere.

4. Whakahouhia to PC ki te tiaki i nga huringa ka kite mena ka taea e koe adjust screen brightness in Windows 10.

Tikanga 8: Whakatika Rēhita

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

1. Press Windows Key + R ka patopato regedit ka pa ki te tomo ki te whakatuwhera i te Kaiwhakatika Rēhita.

2. Whakatere ki te kī Rēhita e whai ake 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.

E taunaki ana mo koe:

Te ti'aturi nei au i awhina nga taahiraa o runga ake nei, a i taea e koe 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.