Why usb port not giving power?
My device usb port not working even no power .please help
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This is usually due to a worn / damaged USB port. They would need to be replaced via soldering at a reputable repair shop.
Personally I don’t think it’s worth it for a fairly old laptop.
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Power is showing in tester.
If that is the case I would check on the main board for any liquid damage or loose solder joints for the pins behind the USB ports on the board.
