|Samsung Galaxy Tab 7.7 (GT-P6810) Troubleshooting|
Then the device beeps and the battery icon is empty, The battery does not charge properly or the device turns off, Your device is hot to the touch, Error messages appear when launching the camera, Error messages appear when opening music files, Another Bluetooth device is not located and A connection is not established when you connect the device to a PC.
All above information can be found in the Samsung Galaxy Tab 7.7 (GT-P6810) user guide on page 117 in Troubleshooting section. You can read the review and download link here. Hopefully useful