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Huawei MediaPad S7-301u Troubleshooting
Tablet Will Not Power On ¶
Tablet is not responsive to any user input.
Battery Has No Charge ¶
Look for an outlet and charge the tablet. Be sure to use the correct charger for this device due to the fact that it does not charge via micro usb. The the plug size should be around 2.5mm to 0.7mm.
Dead Battery ¶
Try to charge the battery. If it does not get charged, the battery might be bad. Replace it with a new one here. Look for any indications that the tablet is charging, including charging light.
Faulty Charger ¶
Try to use a new charger and plug it in the outlet. If your new charger doesn’t work on the device, the problem could be in the outlet. To be sure that the new charger works, try to use it in another device.
Damaged Motherboard ¶
The cause of this might be due to water damage or a defective motherboard. Use a blow dryer to make sure that the motherboard is dried enough, then try to connect the device. If still not working, replace motherboard using this the guide provided here.
Cracked or Blurry Camera Lens ¶
Rear or front has a visible crack on the lens or pictures show up blurred.
Damaged Front Camera ¶
To replace the camera, remove the back of the tablet, use a tweezer to insert into the edges of the camera , cut any adhesive under the camera, and now the camera can be removed. Detail instructions are listed here.
Debris Covering Front-Facing Camera ¶
Dust or any other debris may have gotten into the tablet and may rest in front of the camera. To remove this, use this here.
Broken Display ¶
Device has a visible crack and interferes with user’s touch.
Cracked screen ¶
A damaged or cracked screen may have prevented the user from seeing the display on the tablet or using the touch-screen properly. To fix this, the tablet will need a screen replacement. Here are some details on how to repair a cracked or damaged screen in the link below.
Faulty Screen ¶
If the device won’t respond to touch, this might simply be caused by a screen protector or phone case, try to remove the screen protector or the tablet’s case. If it’s still not working, this might be due to the bad motherboard. Here is a link on how to fix it link.