how do I fix my desktop background on windows 8 it went from this top picture To this bottom picture

[blade8888 2]

how do I fix my desktop background on windows 8 it went from this top picture To this bottom picture how do I get this desktop background back again what button do I press

http-~~-//www.youtube.com/watch?v=O7Xr2BbkIlI&feature=player_embedded

I pressed a button on the keyboard and it gave me this how do I change it back

 

[blade8888 2]

nevermind got it fixed

[FaTaLiiTYz 56]

It might be better if you posted the answer in case another member has the same problem