I also have the same issue with mine for about 2 months.[br]
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I notice that even though the “male” connector appears unbroken, bent or otherwise damaged, I do suspect the “barrel” power port in the body of the tablet may have cracked or become loose. [br]
I have 2 power supplies (one for home, one for on-the-road), and both demonstrate the same failure. [br]
IF I am careful, I can put the power jack into the connector, but play around with it until I see the power connected icon come on at the top right corner of the screen. (It may take a second, so be patient)
What I do is wrap the power cable under the base (as a weight) to keep tension on the power plug (when the charge light comes on) to keep the connection flowing. I am able to recharge the battery to 100% using this method, but it is a pain to fiddle-fart around with all the time. I’m talking only about a couple grams of tension, not, like, 10 lbs LOL.[br]
Hence why I’m here - to find out how top open the back up and repair/replace the barrel jack (which I’m positive is the issue here - or possible a loose connection to the barrel jack).[br]
So, who knows how to open this puppy up for “minor” repairs (but critical for my brain!).