What should the background of the Win8 system suddenly become black?

  
                                     

1. Press the WIN+R shortcut to bring up the Run window, then type regedit and click OK to open the Registry Editor.

2, then on the registry, expand the HKEY_CURRENT_USERControl PanelDesktop item, then find the LogPixels key in the right pane and delete it.

3. If you don't find the LogPixels value in the above window, you can right click on the win8 system and select Personalize ——“Show”—— to adjust the size of all items. After the application is saved, the LogPixels value can be found under HKEY_CURRENT_USERControl PanelDesktop and then deleted.

4, finally restart the win8 system, or set the system background image.

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