How to fix can’t adjust brightness on windows 10?

In windows 10 when you are adjusting brightness and it says cant adjust brightness on windows 10, this problem occurs if there is an issue with graphic or display drivers and we can easily fix this issue by couple of different methods, lets see in detail how to fix can’t adjust brightness on windows 10 below.

Can’t adjust brightness on windows 10:

Update Monitor drivers to fix Can’t adjust brightness on windows 10

Step 1: In windows search bar type device manger and open device manager

Step 2: Expand Monitors

Step 3: Right click on Generic PnP Monitor and select Enable Device.

Step 4: After Enabling, Again Right click on Generic PnP Monitor and select Properties.

Step 5: Go to Drivers tab

Step 6: Click on Update Drives

Step 7: Check browse my computer on local computer for driver software

Step 8: Click on let me pick a list of available drivers on my computer.

Step 9: Select one driver model and click on next.

Step 10: Your windows will successfully update your monitor drivers.

Step 11: Once updated click on yes.

Update Display Adapters if you can’t adjust brightness on windows 10:

Step 12: Expand Display adaptors

Step 13: Right click on display adaptor drivers listed and select update drivers

Step 14: Select drivers and check model and update drivers and close window once drivers installed successfully.

Now restart your computer, now you will not be seeing any error can’t adjust brightness on windows 10 anymore.

Using Regedit can’t adjust brightness on windows 10

Step 1: On your keyboard press windows + r

Step 2: In run box type regedit and hit enter

Step 3:  Now Navigate to HKEY_LOCAL_MACHINE->System->CurrentControlSet->Control->DeviceGuard->Scenerios->HypervisorEnforcedCodeIntegrity.

Step 4: Click on HypervisorEnforcedCodeIntegrity, on the right side pane double click on Enabled

Step 5: Set the Dword value enabled to 0 from 1.

Change Settings to fix can’t adjust brightness on windows 10:

Step 1: Open settings

Step 2: Click on update and security

Step 3: On the left side pane click on windows security.

Step 4: Now open windows defender security settings

Step 5: On the left side pane click on device security.

Step 6: Under core isolation settings->turn off memory integrity.

Step 7: Now exit windows settings.

That’s it this is how you fix can’t adjust brightness on windows 10.

Fix can’t adjust brightness on windows 10  Using Command Prompt:

Step 1: Open command prompt and run as administrator

Step 2: Type prompt and hit enter

Step 3: Type sfc /scanfile=c:\windows\system32\ieframe.dll and hit enter

Step 4: Now type sfc /verifyfile=c:\windows\system32\ieframe.dll and hit enter

Step 5: Now type assoc and hit enter

Step 6: Now type chkdsk and hit enter

Step 7: Type exit to close command prompt

Step 8: Restart your computer (mandatory)

Once you restart your computer after executing all commands successfully can’t adjust brightness on windows 10 will be gone and you will be able to adjust brightness on your windows 10 computer.