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, Etc.
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
Bí cinnte pointe athchóirithe a chruthú ar eagla go n-imíonn rud éigin mícheart.
Modh 1: Nuashonraigh Tiománaithe Adaptóra Taispeána
1. Brúigh Windows Key + R ansin clóscríobh devmgmt.msc agus bhuail Iontráil chun oscailt Bainisteoir Gléas.
2. Leathnaigh Taispeáin oiriúnaitheoirí and then right-click on the integrated graphics card and select Nuashonraigh an Tiománaí.
Nóta: The integrated graphics card would be something like Grafaicí Intel HD 4000.
3. Ansin cliceáil Cuardaigh go huathoibríoch le haghaidh bogearraí tiománaithe nuashonraithe and let it install the driver automatically.
Nóta: 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 Nuashonrú Tiománaí and this time click on Brabhsáil mo ríomhaire le haghaidh bogearraí tiománaí.
6. Ar Aghaidh, cliceáil ar Lig dom pioc as liosta de na tiománaithe atá ar fáil ar mo ríomhaire rogha ag bun an leathanaigh.
7. Anois checkmark "Taispeáin crua-earraí comhoiriúnacha” then from the list select Cuibheoir Taispeána Bunúsach Microsoft agus cliceáil Seo chugainn.
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 Socruithe Graphics Intel.
2. Anois cliceáil ar Taispeáin from the Intel HD Graphics Control Panel.
3. Ón roghchlár ar chlé, roghnaigh Color Settings.
4. Adjust the Brightness slider according to your liking and once done, click Cuir iarratas isteach.
Modh 3: Adjust screen brightness using Power Options
1. Deaschliceáil ar an Deilbhín cumhachta ar an tascbharra agus roghnaigh Roghanna Cumhachta.
2. Anois cliceáil Athraigh socruithe an phlean next to currently active power plan.
3. cliceáil Athraigh socruithe cumhacht chun cinn ag bun an leathanaigh.
4. From the Advanced settings window, find and expand Taispeáin.
5. Now locate and click each of the following to expand their respective settings:
Gile a thaispeáint
Dimmed display brightness
Cumasaigh gile oiriúnaitheach
5. Change each of these to the settings you wish, but make sure “Cumasaigh gile oiriúnaitheach”Is múchta.
6. Once done, click Apply followed by OK.
7. Atosaigh do ríomhaire chun athruithe a shábháil.
Modh 4: Cumasaigh Monatóir PnP Cineálach
1. Brúigh Windows Key + R ansin clóscríobh devmgmt.msc agus brúigh Iontráil chun Bainisteoir Gléas a oscailt.
2. Leathnaigh Monatóirí agus ansin cliceáil ar dheis ar Monatóir PnP Cineálach agus roghnaigh Cumasaigh.
3. Atosaigh do ríomhaire chun athruithe a shábháil agus féach an bhfuil tú in ann fix can’t adjust screen brightness in Windows 10 issue.
Modh 5: Nuashonraigh Tiománaí Monatóir PnP Cineálach
1. Brúigh Windows Key + R ansin clóscríobh devmgmt.msc agus bhuail Iontráil.
2. Leathnaigh Monatóirí agus ansin cliceáil ar dheis ar Monatóir PnP Cineálach agus roghnaigh Nuashonraigh an Tiománaí.
3. Roghnaigh Brabhsáil mo ríomhaire le haghaidh bogearraí tiománaí.
4. Ar Aghaidh, cliceáil ar Lig dom pioc as liosta de na tiománaithe atá ar fáil ar mo ríomhaire rogha ag bun an leathanaigh.
5. Anois roghnaigh Monatóir PnP Cineálach agus cliceáil Ar Aghaidh.
6. Atosaigh do ríomhaire chun athruithe a shábháil agus féach an bhfuil tú in ann fix unable to adjust screen brightness on Windows 10 issue.
Modh 6: Nuashonraigh Tiománaí do Chárta Grafaice
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.
1. Brúigh Windows Key + R ansin clóscríobh devmgmt.msc agus bhuail Iontráil.
2. Now from Device Manager menu click Amharc> Taispeáin gairis i bhfolach.
3. Right-click on each of the hidden devices listed under Monatóirí agus roghnaigh Díshuiteáil Gléas.
4. Atosaigh do ríomhaire chun athruithe a shábháil agus féach an bhfuil tú in ann adjust screen brightness in Windows 10.
Modh 8: Deisigh na Clárlainne
Nóta: This method is only for users who have ATI graphics card and have Catalyst installed.
1. Brúigh Windows Key + R ansin clóscríobh regedit agus brúigh Iontráil chun Eagarthóir Clárlainne a oscailt.
2. Déan nascleanúint chuig an eochair Chlárlainne seo a leanas:
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.
Molta duit:
Tá súil agam go raibh na céimeanna thuas cabhrach agus go raibh tú in ann 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.