Dell Latitude ST (Late 2011) - Manual (Page 59)

2. Check the system information to see how many touch points are detected.
– Click Start.
– Right click Computer and select Properties from the menu.
– Number of touch points will appear in the information window
Performance issues
No multi touch functionality: N-trig Software Bundle Is Installed
Troubleshooting Steps:
• Open the device manager and check that the Digitizer is recognized by the computer .
• If the device is recognized, uninstall the N-trig bundle and reinstall.
• If the device is not recognized, you will need to check if you see it under Unknown Devices and update the
driver for the unknown device.
In Windows 7, verify if the Tablet PC Components check box (in Windows Features) is selected after successfully
installing the N-trig software bundle.
In order to verify this, navigate to Control Panel → Programs and Features . In the Programs and Features window, click
the Turn Windows Features On/Off link, located in the left sidebar, as displayed in the image below.
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