FAQs Q The tablet cannot be turned on after being fully charged. A Possible Cause： The tablet was on standby for too long, and the battery drains. Solution： Charge it for over 2 hours before turning it on. Possible Cause： Problem with the Charger. Solution： Please contact the dealer or TOPDON after-sale service for timely support. Q Why can't I register? A Possible Cause： The tablet isn't connected to a network. Solution： Make sure the network is stable, then try reconnecting. Possible Cause： Your email address may have been registered already. Solution： Use another valid email address.