Samsung GALAXY TAB GT-P1000 - Manual (Page 69)

Troubleshooting 69
The touch screen responds slowly or improperly
If your device has a touch screen and the touch screen is not responding
properly, try the following:
Remove any protective covers from the touch screen. Protective covers •
may prevent the device from recognising your inputs and are not
recommended for touch screen devices.
Ensure that your hands are clean and dry when tapping the touch screen.
•
Restart your device to clear any temporary software bugs. •
Ensure that your device software is upgraded to the latest version. •
If the touch screen is scratched or damaged, take it to your local Samsung •
Service Centre.
Your device freezes or has fatal errors
If your device freezes or hangs, you may need to close programs or reset
the device to regain functionality. If your device is still responsive but a
program is frozen, close the program using the task manager. If your device
is frozen and unresponsive, press and hold [ ] for 8-10 seconds. The device
will reboot automatically.
If this does not solve the problem, perform a factory data reset. In Menu
mode, select Settings → Privacy → Factory data reset → Reset phone →
Erase everything.
Calls are being dropped
When you are in areas with weak signals or poor reception, you may lose
your connection to the network. Move to another area and try again.
Troubleshooting
When you turn on your device or while you are using the
device, it prompts you to enter one of the following codes:
Code Try this to solve the problem:
Password
When the device lock feature is enabled, you must
enter the password you set for the device.
PIN
When using the device for the first time or when the
PIN requirement is enabled, you must enter the PIN
supplied with the SIM or USIM card. You can disable
this feature by using the Lock SIM card menu.
PUK
Your SIM or USIM card is blocked, usually as a result
of entering your PIN incorrectly several times.
You must enter the PUK supplied by your service
provider.
PIN2
When you access a menu requiring the PIN2, you
must enter the PIN2 supplied with the SIM or USIM
card. For details, contact your service provider.
Your device displays "Service unavailable" or "Network
error"
When you are in areas with weak signals or poor reception, you may lose •
reception. Move to another area and try again.
You cannot access some options without a subscription. Contact your
•
service provider for more details.