Prepare an image whole replace LogonUI window 7 default image. The size (pixel) of image should the same as your screen resolution. If your screen resolution 1280 x 1024 pixels, the image should be 1280 x 1024 pixels too.
This need to make appereance clear and there is no empty areas on the screen caused by the pixels size of image is not the same as the screen pixels resolutions.
And the most importan things to the images is must be JPG format with max size 256Kb. If the size more than 256Kb, the appereance of the image loading will not good.
Herewith the next steps how to change you LogonUI Windows 7 :
- Open the registry editor by Start> Run> regedit
- Find the HKLMSoftware Microsoft WindowsCurrentVersionAuthenticationLogonUI Background
- Create a new enty with type DWORD with the name OEMBackground. The way right-click an empty area, then select New, DWORD value and type OEMBackground
- Give the value in that entry with a value of 1
- Then copy the files you've prepared to the folder% windir% system32oobeinfobackgrounds (in default of Windows 7, this folder will not be found, so you have to make it manually and then the copied the prepared replaced image to the folder)
Now you can simply try the result by locking the desktop Windows 7 by pressing the shortcut Windows + L
