Dead USB Port? Here’s How to Diagnose and Fix It

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Ever connected a USB drive or other device into your computer, only to find later that it won’t work? There’s a good chance that the USB port has a problem.

But what can you do about it? Here’s how to diagnose and fix a suspect USB port.

USB Port Not Working? Give a Physical Examination

Before proceeding, note that you’ll need to be sure that it is the port that is faulty, rather than the device you’re connecting.

To establish which is the problem, connect the device to another USB port. If it works, then the problem is the first port; if the device remains undetected, then you have a faulty device. If you can’t reformat the USB drive,


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