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Use Windows background as lock screen

Marco Gasi
Marco Gasi asked
Last Modified: 2018-09-09
Hi everybody.
I googled in order to understand how to automatically set my Windows 10 desktop background picture as lock screen picture: I'd just like that, everytime I change my desktop background, the lock screen change accordingly. But I have found only tips and tricks to get the opposite, that is using the lock screen pictures as desktop background. It looks like it's impossible to do what I want nad I find it surprising, since it looks to me to be an almost obvious feature (and for sure not difficult to implement).
Can somebody tell me something about?

Thank you :)
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JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

The lock screen picture can be set with Windows Spotlight to be somewhat interactive (like the lock screen on a phone). So it is not really just a picture.  Here is some information on the lock screen


So I do not see from this how you could have the lock screen change whenever you change your desktop picture.
But I do see based on the above here why you could get the picture used in the lock screen as your desktop.
David Johnson, CDSimple Geek from the '70s
Distinguished Expert 2019

The problem is that the lock screen is a machine property and the desktop image is a user property.  To change a machine property one must run as administrator.
lock screen registry you will have to create this.
LockScreenImage SZ <path and filename of image>
WallPaper SZ <path and filename of image>

You may have to create System and Wallpaper
Business Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018
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Marco GasiFreelancer
Top Expert 2010


Thank you. So, I'm going to change it manually :) A bit annoying but not a tragedy :D
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Thanks. Yes an annoying thing but the lock screen code will likely change with Windows
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