Charge a drained battery If your Nexus 7 tablet's battery drains completely, you can recharge it by following these steps: Connect the charger to your Nexus 7, then plug the charger in to an outlet. Press and hold Power until the device powers on, then immediately press and hold Volume Down (while still pressing Power ). You will see the word Start with an arrow drawn around it. Press Volume down until you find Power off , then press Power to select that option. When your tablet is off, disconnect the charger, then reconnect it. You should see a battery on your screen that indicates your tablet is charging. If your tablet still doesn't charge, try the steps below: Make sure your charger and device are fully connected Plug your Nexus 7 into its original ASUS power adapter using the charger's original USB cable, ensuring that the power cord is securely connected to the tablet and the power adapter. Also, make sure you're using a function...