When the installation was completed, the 2x2 background was shown for 1 second after user login to system on unity-greeter. But the background would be became correct background after user the user's desktop was loaded completely.
When the installation was completed, the 2x2 background was shown for 1 second after user login to system on unity-greeter. But the background would be became correct background after user the user's desktop was loaded completely.