Make sure the GPS unit's power cord is connected. Check the fuse behind the GPS or in the radio system. In the event that it has blown, replace it with a new one. Check the battery and replace or replace it if it is flat.

Place your finger on the bottom right corner of the touchscreen and hold it there. Turn on the gadget. After the gadget has turned on, release the power button. Maintain your grip on the touchscreen until the device reboots.

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