An awesome student from our education program made this wiki. It is not managed by iFixit staff.
Samsung Galaxy Tab A 9.7 Troubleshooting
Released in May 2015 with model number SM-T550NZWAMID
- Device won’t power on
- Device won’t charge
- Camera is not taking clear pictures
- Camera is Unresponsive
- Device is Unresponsive to Touch
- Sound is distorted
Device won’t turn on even after the charger is plugged in.
The device will only run for so long without being plugged in to a charger before it runs out of charge. Charge the device to see if the problem is that it has run out of battery.
Often a tablet is not functioning because it was not charged long enough. Leave the device plugged in for at least 15 minutes. If the device still won’t power on, there may be a problem with the charger or the battery. See below for more help.
Temporary malfunctions may be caused by a software glitch or overheating of the battery. Try restarting your device. To do so, hold the “Power” button until your device completely shuts down. Then hold the “Power” button to turn your device back on. If this doesn’t work, try holding the power button and the home button at the same time. This is a soft reset, and won’t harm your device or any files you may have.
The charger may have become damaged due to wear or other external issues. Try using a different charger for the device, or changing which electrical outlet it is plugged into.
The battery may have become damaged due to wear or other external issues. Replace the battery using this guide.
Device will not hold any charge even when plugged into the charging cable or will not work unless it is constantly being plugged in.
There may be dirt in or damage to the charging port. Try to clean the charging port by blowing into it or using compressed air.
If cleaning the charging port using the steps above does not solve the issue, the charging port may be damaged. If so, use this guide to replace the charging port.
If the device can still power on but won’t hold a charge, then it is likely that the battery is permanently damaged. Use this guide to replace the battery.
Camera is not working properly and may be taking blurry pictures.
The camera lens may be dirty due to usual wear and tear. Wipe the lens with a soft cloth.
If the device was subject to water damage (high humidity, submerged in water), there may be moisture within the camera lens. Clean the external lens using a soft cloth. If that does not work,the camera will need to be removed to clean the internal lens.
If there is probable cause that the camera is broken (device was dropped, submerged in water, etc.), the camera may be damaged. The camera will need to be replaced.
Camera is not working properly or does not display all of the usual features.
There may be a minor glitch in the tablet’s software. Restart your device by holding the “Power” button until the device is completely off. Then, hold the “Power” button once again to turn the tablet back on.
If it is a software issue, the device’s memory may be full. Backup pictures to an external drive and delete photos from device. If that does not work, try to reset the device to manufacture settings by first turning off the device. Then, press and hold the “Home,” “Power” and “Volume Up” buttons until you see the Samsung Logo. Use the volume buttons to navigate and select “Factory Reset.”
LCD screen is frozen and does not respond to touch.
Often a tablet is not functioning because it was not charged long enough. Charge the device using the charger provided by Samsung. If it doesn’t restart after 15 minutes, you may need to replace battery using this guide.
There may be a software glitch caused by low memory or overheating. Restart your device by holding the “Power” button until the device is completely off. Then, hold the “Power” button once again to turn the tablet back on.
If there is a probable cause (cracked screen, water damage, etc.) for screen damage, replace the screen using this guide.
The digitizer is the device that allows the tablet to respond to touch. The digitizer may be disconnected. To reconnect digitizer, follow this guide. If the digitizer is still malfunctioning, it will need to be replaced.
If none of the above are causing the screen to be unresponsive, the device’s motherboard may need to be replaced. Use this guide to replace the motherboard.
Sound is muffled or not playing at the volume that is indicated by the device.
Often this problem is due to dirt or sand in the speaker. Gently clean the speaker with a soft cloth. If sound is still distorted, you can blow compressed air into the speaker to remove the debris.
Speakers can become damaged over time due to repeated use. Replace the speakers using this guide.