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I got the tablet from a friend who told me it didn’t charge. “No problem,” I thought, so I ordered a new battery, which was charged, so I thought I could let the tablet die overnight. Well, I did, and now it’s not charging again. Now what?
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@susposter779 could be a bad charging port. I am certain you have checked your charger and your charging cable to make sure that those are working properly. Next you can try and check the charging port. Clean it of any debris etc, use a few puffs of air to clean it out. Since you've replaced the battery, you do want to make sure that everything has been properly connected and that all of your ribbon cables are in good (no tears, rips, holes, etc.) working order. If none of this works, get a USB ammeter and see if your phone draws any amperage from the charger. If it does not it is possible that this is a charging port issue or a bad charging circuit.
Schematics are not available which means that repairing the circuitry could be a real challenge.
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