我的问题
Initially the device had some sporadic problems but the worst was trouble charging with the USB charger.
我的修理方法
After removing and installing my first board, the unit started but the screen did not respond to touch. I took it apart and put back together several times and finally gave up figuring I may have damaged something. I decided to give it another try and ordered another board and did that replacement. Again it gave me the same results. After letting it set a day and thinking about it. I looked at some more videos describing this type of repair and all I could tell is that possibly I missed closing one of the clips. So I opened it again and sure enough one cable clip was not closed, so I closed it and wala, it works!!
我的建议
Be patient and don't give up
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