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, Thiab lwm yam
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
Nco ntsoov tsim qhov taw tes rov qab tsuas yog thaum muaj qee yam yuam kev.
Txoj Kev 1: Hloov Kho Cov Teeb Tsav Tsheb Hloov Tsheb
1. Nias Windows Key + R ces ntaus devmgmt.msc thiab ntaus Enter los qhib Ntaus Tus Thawj Coj.
2. Nthuav Zaub adapters and then right-click on the integrated graphics card and select Hloov tsheb tshiab.
Nco ntsoov: The integrated graphics card would be something like Intel HD Graphics 4000.
3. Ces nyem Nrhiav tau rau cov software tsav kho tshiab and let it install the driver automatically.
Nco ntsoov: 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 Hloov tsheb tshiab and this time click on Tshawb xyuas kuv lub computer kom tsav tsheb.
6. Txuas ntxiv mus, nyem rau ntawm Cia kuv xaiv ntawm cov npe muaj nyob rau hauv kuv lub computer kev xaiv rau hauv qab.
7. Zaum no kos cim "Qhia kho vajtse kom haum” then from the list select Microsoft Basic Display Adapter thiab nias Tom ntej.
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 Chaw teeb duab Intel Graphics.
2. Tam sim no tau nyem rau zaub from the Intel HD Graphics Control Panel.
3. Los ntawm cov ntawv qhia zaub mov sab laug, xaiv Color Settings.
4. Adjust the Brightness slider according to your liking and once done, click Thov.
Txoj kev 3: Adjust screen brightness using Power Options
1. Txoj cai-nias rau ntawm Lub zog icon ntawm lub taskbar thiab xaiv Fais Fab Kev Xaiv.
2. Tam sim no nyem Hloov qhov chaw nqis next to currently active power plan.
3. Nyem Hloov siab tshaj zog nqis nyob hauv qab.
4. From the Advanced settings window, find and expand Tso saib.
5. Now locate and click each of the following to expand their respective settings:
Pom kev ci ntsa iab
Dimmed display brightness
Pab kom muaj kev nthuav dav
5. Change each of these to the settings you wish, but make sure “Pab kom muaj kev nthuav dav”Yog muab tua.
6. Thaum ua tiav, nyem Thov ua raws li OK.
7. Reboot koj lub PC kom txuag tau cov kev hloov pauv.
Txoj Kev 4: Siv Generic PnP Monitor
1. Nias Windows Key + R ces ntaus devmgmt.msc thiab ntaus Enter kom qhib Device Manager.
2. Nthuav Saib xyuas thiab tom qab ntawd ces nias rau PnP Generic saib thiab xaiv Pab Kom.
3. Reboot koj lub PC kom txuag tau cov kev hloov pauv thiab saib seb koj puas tuaj yeem ua tau fix can’t adjust screen brightness in Windows 10 issue.
Txoj Kev 5: Hloov kho PnP Hloov Khoom Siv Generic
1. Nias Windows Key + R ces ntaus devmgmt.msc thiab ntaus nkag.
2. Nthuav Saib xyuas thiab tom qab ntawd ces nias rau PnP Generic saib thiab xaiv Hloov tsheb tshiab.
3. Xaiv Tshawb xyuas kuv lub computer kom tsav tsheb.
4. Txuas ntxiv mus, nyem rau ntawm Cia kuv xaiv ntawm cov npe muaj nyob rau hauv kuv lub computer kev xaiv rau hauv qab.
5. Tam sim no xaiv PnP Generic saib thiab nias Next.
6. Reboot koj lub PC kom txuag tau cov kev hloov pauv thiab saib seb koj puas tuaj yeem ua tau fix unable to adjust screen brightness on Windows 10 issue.
Txoj Kev 6: Hloov kho Graphics Card Driver
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. Nias Windows Key + R ces ntaus devmgmt.msc thiab ntaus nkag.
2. Now from Device Manager menu click Saib> Qhia thaum pom khoom siv.
3. Right-click on each of the hidden devices listed under Saib xyuas thiab xaiv uninstall Ntaus ntawv.
4. Reboot koj lub PC kom txuag tau cov kev hloov pauv thiab saib seb koj puas tuaj yeem ua tau adjust screen brightness in Windows 10.
Method 8: Registry Fix
Nco ntsoov: This method is only for users who have ATI graphics card and have Catalyst installed.
1. Nias Windows Key + R ces ntaus regedit thiab ntaus Enter kom qhib Registry Editor.
2. Nkag mus rau qhov yuam sij Registry nram qab no:
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.
Pom zoo rau koj:
Kuv vam tias cov kauj ruam saum toj no pab tau thiab koj tuaj yeem ua tau 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.
