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Post originale di: Allan Barr ,

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I would test the tristar ic which a tristar tester. It's the chip that controls charging and data transfer. You could also check the charging port, make sure there is nothing in the port like lint. Check the connection on the battery and clean it with a qtip and alcohol. You could also look to see if you have capacitor or filter blown near the battery connection. You will need a magnifying glass or microscope to check that.

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