Dell Inspiron Mini Duo (1090, Late 2010) - Manual (Page 45)

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Solving Problems
Touch Screen Problems
Some or all multi-touch features are not
working —
Certain touch and multi-touch features •
may be disabled. To enable them, double-
click the Flicks
icon in the notification
area of your desktop. In the Pen and
Touch window, select the Touch tab and
ensure that Use your finger as an input
device and Enable multi-touch gestures
and inking options are selected.
The multi-touch feature may not be
•
supported by the application.
The touch screen is calibrated at the
•
factory, and does not require re-
calibration. If you choose to calibrate the
touch screen, click Start
→ Control
Panel → Hardware and Sound→Tablet PC
Settings → Calibrate...
NOTE: Improper calibration may lead to
inaccurate touch sensitivity.
If the touch screen starts losing its
sensitivity —
The touch screen may have foreign particles
(such as sticky notes) that are blocking the
touch sensors. To remove these particles:
Turn off the computer. a.
Disconnect the AC adapter cable from b.
the wall outlet.
CAUTION: Do not use water or a
cleaning liquid to wipe the touch screen.
Use a clean, lint-free cloth (you may c.
spray mild, non abrasive cleaner or
water on the cloth if needed, but not on
the screen) and wipe the surface and
sides of the touch screen to remove any
dirt or fingerprints.