My Desktop Background is invisible.

Hi Guys,

I was recently installed window 7 OS, every thing is ok except my desktop background, when i set jpg as desktop background it show black screen even i changed my theme but no use same problem is occur.

i have tried the following steps :

1. run regedit > HKCU/Control Panel\Desktop > wallpaper value: %windir%\web\wallpaper\windows\img0.jpg

2. *Copy the following text, and then click Start and past the text into the search box and click the Enter key on the keyboard:

%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Themes\
*Right-click the file that is named TranscodedWallpaper.jpg and then click Rename
*Rename the file to TranscodedWallpaper.old, (change .jpg to .old) and then click Yes when prompted
*Double-click slideshow.ini. Slideshow.ini should open with Notepad. Select all the text in slideshow.ini if any exists and press Delete on the keyboard, and then click File and Save to save the changes.
*Close Notepad and close the Windows Explorer window and browse to the picture that will be set as the background image
*Try to apply a background picture again
3. Control Panel\Ease of Access\Ease of Access Center\Make the computer easier to see

But no use ....Help on this friends.

Thanks in Advance....

Please change your Color Bit Depth to 32bit.
Color Bit Depth - Display Settings