This troubleshooting page will help you diagnose problems with the Samsung Galaxy Tab A 7.0.
Student-Contributed Wiki
An awesome team of students from our education program made this wiki.
The device will not charge when connected to power.
Test faulty device with other chargers. If the device charges after using another power adapter then the original charger was faulty.
Test faulty device with other chargers. If faulty device does not charge after testing other chargers and/or the charging port looked corroded or damaged charge port that needed to be replaced. A video tutorial for the same repair on an earlier model of this device can be found at this link: https://www.youtube.com/watch?v=5OGYMVA0…
The volume buttons will not respond when pressed.
Restart the device to reset the software. If the volume buttons work after restarting the device, a software glitch is likely the issue.
Inspect the device for dirt and dust impeding volume button to be pressed. Also check for any sticky substance. If debris is found, clean with an air duster or rubbing alcohol with a q-tip. If the problem persists, the volume buttons might be malfunctioning and might need to be replaced. A link to a repair guide is given here: Samsung Galaxy Tab A 7.0 Volume Button Replacement
Faulty display on device.
If the screen is shattered, not much can be done to repair it. The screen must be replaced. A link to a video tutorial on replacing the screen is given here: https://www.youtube.com/watch?v=v5PgwtG-…
The camera does not work when activated.
If the display does not show while using the camera function, a software issue might be the problem. One possible solution to this issue would be to restart the device. If the camera function works properly following the restart then a software glitch was likely the problem. If the problem persists, it is possible the camera became disconnected from the motherboard. Following the replacement guide in the section below, you will see where the camera is connected and how to connect and disconnect it from the device.
If the camera lens is shattered, not much can be done to repair the lens. The camera will need to be replaced. A replacement guide can be found at the link below: Samsung Galaxy Tab A 7.0 Front Facing Camera Replacement
Trouble with sound through headphones.
Examine the headphone jack looking for any debris clogging the port. This could inhibit or disrupt connection to audio output devices If so, use an air duster to remove possible clogging. If the headphone jack is clear of debris and poor connection persists, the jack itself may be faulty. A replacement guide can be found at this link: Samsung Galaxy Tab A 7.0" Headphone Jack Replacement
Closely examine the headphone cord looking for any exposed metal wire. If the wire appears intact and no metal is showing then try a different pair of head phones. If the audio issue is not apparent with the new headphone then it is likely that the original headphones are faulty.
