I I have a dual-screen setup with my laptop (1366x768) and an external monitor connected through HDMI (primary 1920x1080).
I don't know if this is cause by different aspect ratios (16:10 on laptop, 16:9 on external monitor) but Unity appears cropped approximately as shown in this picture:
If I use a lower resolution (1680x1050, 16:10) the desktop is correctly displayed, but those extra pixels could be handy.
So is this any limitation/bug on Unity? How can I make it display the desktop correctly at 1920x1080 pixels?
In case it could help, output of xrandr
command.