I have a similar monitor setup and can reproduce this. Nautilus is the program handling the desktop under unity. It appears it uses the virtual desktop size and not the display size when positioning icons.
** Also affects: nautilus (Ubuntu) Importance: Undecided Status: New ** Changed in: unity Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1294472 Title: Desktop icons are placed out of reach if two screens are different size. To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1294472/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs