Personalization Enable or Disable Acrylic Blur Effect on Sign-in Screen Background in Windows 11

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Sign-in_screen.jpg

The lock screen is the screen you see at startup and when you lock (Win+L) the PC. You will need to dismiss the lock screen to to see the sign-in screen and sign in to Windows.

By default, the sign-in screen background image has an acrylic blur effect as part of Windows 11 transparency effects.

If you would prefer to have a clear sign-in screen background image without affecting other transparency effects for users, you can enable the Show clear logon background group policy.

This tutorial will show you how to enable or disable the acrylic blur effect on the sign-in screen background image for all users in Windows 11.


The acrylic blur effect on the sign-in screen background image requires transparency effects to be turned on.

You must be signed in as an administrator to enable or disable the acrylic blur effect on the sign-in screen background image.



Contents

  • Option One: Enable or Disable Acrylic Blur Effect on Sign-in Screen Background in Local Group Policy Editor
  • Option Two: Enable or Disable Acrylic Blur Effect on Sign-in Screen Background using REG file


EXAMPLE: Acrylic blur effect on the sign-in screen background image
sign-in_screen-on.jpg
sign-in_screen-off.jpg






OPTION ONE

Enable or Disable Acrylic Blur Effect on Sign-in Screen Background in Local Group Policy Editor


The Local Group Policy Editor is only available in the Windows 11 Pro, Enterprise, and Education editions.

All editions can use Option Two.


1 Open the Local Group Policy Editor (gpedit.msc).

2 Navigate to the policy location below in the left pane of the Local Group Policy Editor. (see screenshot below)

Computer Configuration\Administrative Templates\System\Logon

sign-in_screen_acrylic_blur_effect_gpedit-1.png

3 In the right pane of Logon in the Local Group Policy Editor, double click/tap on the Show clear logon background policy to edit it. (see screenshot above)

4 Do step 5 (enable) or step 6 (disable) below for what you would like to do.


5 To Enable Acrylic Blur Effect on Sign-in Screen Background

This is the default setting.


A) Select (dot) Not Configured, click/tap on OK, and go to step 7 below. (see screenshot below)​

sign-in_screen_acrylic_blur_effect_gpedit-2.png

6 To Disable Acrylic Blur Effect on Sign-in Screen Background

A) Select (dot) Enabled, click/tap on OK, and go to step 7 below. (see screenshot below)​

sign-in_screen_acrylic_blur_effect_gpedit-3.png

7 You can now close the Local Group Policy Editor if you like.





OPTION TWO

Enable or Disable Acrylic Blur Effect on Sign-in Screen Background using REG file


1 Do step 2 (enable) or step 3 (disable) below for what you would like to do.


2 To Enable Acrylic Blur Effect on Sign-in Screen Background

This is the default setting.


A) Click/tap on the Download button below to download the file below, and go to step 4 below.​

Enable_acrylic_blur_effect_on_Sign-in_sceen_background.reg


(Contents of REG file for reference)
Code:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System]
"DisableAcrylicBackgroundOnLogon"=-

3 To Disable Acrylic Blur Effect on Sign-in Screen Background

A) Click/tap on the Download button below to download the file below, and go to step 4 below.​

Disable_acrylic_blur_effect_on_Sign-in_sceen_background_for_all_users.reg


(Contents of REG file for reference)
Code:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System]
"DisableAcrylicBackgroundOnLogon"=dword:00000001

4 Save the .reg file to your desktop.

5 Double click/tap on the downloaded .reg file to merge it.

6 When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.

7 You could now delete the downloaded .reg file if you like.


That's it,
Shawn Brink


 

Attachments

  • user.png
    user.png
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  • Disable_acrylic_blur_effect_on_Sign-in_sceen_background_for_all_users.reg
    702 bytes · Views: 49
  • Enable_acrylic_blur_effect_on_Sign-in_sceen_background.reg
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Last edited:

johnlgalt

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Ahhh, thanks for this.
 

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Brink

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:shawn:
 

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jvickers

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Very helpful. I've been wondering how to do this for a while.
 

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Sprenon

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Perfect! Thank you very much.
 

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