Upgrading to Oneiric 11.10 Beta 1 – propritary Nvidia drivers
This was a little tricky.
I have a Nvidia GeForce 8600 GTS; 1 x Samsung SM226BW (left 1680x 1050); 1 x SMB2430H (right 1920x 1080.).
I was using TwinView via NVIDIA Settings in Natty 11.04 OK prior to the upgrade.
Update : 02.09.2011
I find that to have TwinView work correctly across both screens I need to do this:
The NVIDIA Settings Screen Dance
Enable TwinView, apply and click OK on the invisible dialogue box.
Set Clone and Apply then Cancel.
Note: Both screens now are enabled (but both showing the same view).
Move the right screen to the left or vice versa and apply.
Note: Both screen now allow windows to be moved from one to another.
Move the right screen back to the left and apply.
All working correctly now :-)
Oh and you may want to have a look at this.
Update : 08.09.2011
The latest update has fixed this issue, NVIDIA Settings with TwinView now works fine. :-)
Update : 10.09.2011
Tested again, NVIDIA Settings with TwinView still need to do the The NVIDIA Settings Screen Dance :-(