Please share the operating system installed.
Inspiron 1090 Windows 7 has native support for tablet computing. Tablet PC Settings in the Control Panel can be used to Calibrate or Reset the display. Handedness and Pen and Touch can also be configured from this window.
Click on calibrate and follow the prompts on screen.
Please share the findings.
Thanks and regards,
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I should have been clear, I am running Windows 8. Oddly enough I found that Tablet settings on my Sony Touchscreen, but not on the Inspirion Duo 1090. Any other thoughts?