Stuck Maximised

[Jonathan Allen]

On Sat, Apr 04, 2015 at 06:21:53AM +0200, poma wrote:
> Maximize / unmaximize windows
> http://docs.xfce.org/xfce/xfwm4/getting-stated#maximizeunmaximize_windows
> 
> You can make any window appear in fullscreen mode (it will then use all the
> size of your screen without showing the window borders) by using the
> customizable Alt-F11 keyboard shortcut.

Hooray - thank you, that's sorted.  Now all I have to do is get the background
to display.  The screen always shows what was last on it when a task closes
and the default wallpaper never appears.  How do I get the desktop and any
still-open tasks to repaint the screen?

Jonathan