Last updated on by pistouri
It is not possible to disable this feature from the section Settings → Personalization.
Solution 1 with Disable_acrylic_blur_effect_on_Sign-in_sceen_background file
Using a ready-made REG file:
Download / Save this file Disable_acrylic_blur_effect_on_Sign-in_sceen_background.reg here
Double click on the file and authorize its execution
To blur the screen:
Double-click on the file and allow it to run
Solution 2 Change a registry key
Disable blurry background using registry keys
Touch Windows + R
Tape → regedit
Go to this registry key:
Right click in the right pane, create a new DWORD file (32 bits)
info: If Windows is in 64 bits create DWORD file (32 bits)
Name it → DisableAcrylicBackgroundOnLogon
In front of Value data:
To put 1 (in Hexadecimal).
Restart the computer for the changes to take effect.
Solution 3 With the Group Policy Editor
Using Group Policy (with Windows 10 Pro).
Touch Windows + R then type → gpedit.msc
In the Group Policy Editor, go to:
Computer Configuration Administrative Templates System Login.
Double click to open Show background settings for login.
The default is No configured.
To deactivate, select disabled
Click on OK and check the login screen.
If that doesn't work, restart your computer or check the next time you restart your computer.
Group Policy (gpedit) to install on Windows 10 family here
hopefully a fix in a future cumulative update.
This article appeared first on https://www.commentcamarche.net/faq/51710-desactiver-l-arriere-plan-flou-sur-l-ecran-de-connexion-windows-10-may-2019