How To Disable Blur on Windows 10 Sign-In Screen

Starting with Windows 10 “19H1” or build 18237, you have likely encountered a blurred background on the login screen. Some users like this feature and some don’t. If you’d like to change the blurred effect to a clear image, then you can do it in two ways:
1. Group Policy or Local Policy
2. Registry setting

Change using Group Policy or Local Policy:

  • Launch the Group Policy Editor > gpedit.msc
  • In Group Policy Editor, go to: Computer Configuration\Administrative Templates\System\Logon
  • Enable the policy option: Show clear logon background
  • Restart the computer for good measure

Change using Registry setting:

  • Launch the Registry editor (make sure you backup the registry prior to making any changes) > regedit.exe
  • Go to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System
  • Create a new DWORD (32-bit) value: DisableAcrylicBackgroundOnLogon
  • Set the Value data to 1 to disable the blur effect on the login screen
  • Restart the computer

Now, you should have a clear login screen background.

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