of the firmware on the digitizer will remain unchanged and will be compatible forWindows 7. To revert the firmware to the default version, you have to rollbackthe application• Installing Windows 7 bundle over Windows Vista/Windows XP– If you have upgraded the operating system to Windows 7 from Windows Vista/Windows XP, without uninstalling the N-Trig bundle, the firmware will remainunchanged and will be compatible for Windows Vista/Windows XP. TheWindows 7 bundles already contains the firmware rollback application. It will runthe rollback tool and then continue to install the Window 7 bundle installation.Performance Issues• No multi touch functionalitya. Check if the N-trig bundle is installed.b. Open Control Panel and the N-trig DuoSense Digitizer Settings icon must bedisplayed. If the bundle is not installed. Install the relevant bundle for theoperating system installed on the computer.c. Check the system information to see how many touch points are detected.1. Click on Start.2. Right click on Computer and select Properties from the menu.3. Number of touch points should be written in the information window .Figure 11. System Information — Touch Points for Pen and Touch InputNOTE: In Windows Vista and Windows XP bundles there are no 4 pointsmulti touch after bundle installation. The Vista/XP bundles support singletouch and gestures (two fingers).• Bundle is installed but touch functionality is missinga. Open the Device Manager and check that the Digitizer is recognized by thecomputer.29
