Unfortunately when upgrading to Windows 10 the duet driver is unmounted. Sorry about the inconvenience, please check the steps below.
If you plug in your iPad and Duet says "Launching Duet" but the iPad is not detected in your Display Settings then please uninstall Duet Display from Add / Remove Programs. Then Restart your PC to complete the uninstall.
After you've restarted please check that the driver, Kairos Display, is uninstalled (or absent) from Add / Remove Programs.
Now download the latest version from http://duetdisplay.com/windows
and try installing again.
If your iPad display is detected but you are still having trouble or you have any other issues, please email us and we can walk you through the steps and help troubleshoot any problems along the way.