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Appendix C: Troubleshooting
Symptom Possible Causes Remedy
Touch
panel is not
functioning
properly
1. Environmental conditions are
signicantly different from factory
default.
Perform touch screen
recalibration.
2. Touching surface does not provide
sufcient electrical charge.
- Ensure nger is dry and
clean.
- Ensure stylus pen is
approved for capacitive
touch panel use.
Battery is not
charging
1. Using wrong AC power adapter
with insufcient power rating or
incorrect plug.
Use AC power adapter
provided with this device.
2.Using USB. This device does not
support USB battery
charging.
No 3G data
connection
1. APN is not in device’s APN list. Add APN manually.
2. 3G service is not activated. Check your network service
provider.
3. Damaged or missing SIM card. Ensure a valid 3G SIM is
properly inserted.
Multi Touch
not working
1. Using Windows 7 Starter or Basic
(Single touch only)
Upgrade OS to Windows 7
Home Premium or higher.
2. Application is not support Use an application that
supports multi touch
function.
3. Improper hand gesture Ensure the hand gesture is
properly performed.
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