You could get your desired results if you are willing to change your desktop
to a blank background. Of course that means changing your current desktop
wallpaper. It just comes down to which you prefer.

"lorry_driver" wrote:

> Is there a way to hide the desktop wallpaper & replace it with a blank
> desktop when locking the computer? I used the CTRL+ALT+DEL method and
> selecting "Lock Computer" but the wallpaper is still showing at the
> background.
>
> I tried looking for an option, but the only option I could find was using
> the Welcome screen. Which means basically disabling the CTRL+ALT+DEL locking
> method and I fear that it's not really a secure way to lock the computer.
>
> Anyone have any suggestions?