Dell PP12S Troubleshooting Stylus and Touch Problems, Diagnostics, Touch Not Functioning, 137

3 Turn on the Tablet-PC.

4 At the Windows desktop, use the touch pad to move the cursor around, select an icon, and open it.

If the touch pad operates correctly, the mouse may be defective.

C H E C K T H E S YS T E M S E T U P P R O G R A M S E T T I N G S — Verify that the system setup program lists the correct device for the pointing device option. (The Tablet-PCautomatically recognizes a USB mouse without making any setting adjustments.) For more information on using the system setup program, see "Using the System Setup Program" on page 141.

TE S T T H E M O U S E C O N T R O L L E R — To test the mouse controller (which affects pointer movement) and the operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in the Dell Diagnostics (see "Dell Diagnostics" on page 121).

R E I N S T A L L T H E T O U C H P A D D R I V E R — See "Reinstalling Drivers and Utilities" on page 146.

Troubleshooting Stylus and Touch Problems

If you encounter a problem while using the pen or when touching the screen, the Tablet Settings window (i.e., Properties) and certain Windows Control Panel screens are useful to resolve the problem.

Diagnostics

IN I T I A L I Z E D I G I T I Z E R — In the system Control Panel, open the N-trig Tablet Settings icon and click the Restore defaults button to set the Tablet-PC pen and touch features to the factory default configuration.

E X E C U T E D I G I T I Z E R S E L F - T E S T D I A G N O S T I C S — In the system Control Panel, open

the N-trig Tablet Settings icon and click the Trouble Shooting button to execute a diagnostic self test. This test verifies that the digitizer hardware is fully functional. During the test, the pop-up window provides instruction to the user and reports the test result. If the test result produces a diagnostic code, contact Dell (see "Contacting Dell" on page 26).

E I T H E R TO U C H O R P E N M O D E N O T F U N C T I O N I N G — on the system Control Panel, open the N-trig Tablet Settings icon. Select the preferred mode of operation to enable Touch, Pen, Dual, or Auto (Windows Vista only).

Touch Not Functioning

VE R I F Y T O U C H I N P U T I S E N A B L E D — In the system Control Panel open the Pen and Input Devices icon. On the Touch screen, ensure that the option Use your

Troubleshooting

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