USB port stops working after removing or inserting a USB drive

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The USB ports stopped working

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USB port stops working after removing or inserting a USB drive

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By David Price 21 Mar USB is an extremely common and pretty convenient connection standard, but it has its annoyances such as putting the cable in the wrong way round and occasionally goes wrong. In this article we explore the steps you should take if the USB port on a Mac stops working and you're not sure why. Make sure the cable is properly fixed into the port.

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Take it out and put it back in again to ensure a snug connection. Check there is a good connection at the other end - is the Lightning cable properly attached to the iPhone, microUSB properly attached to the hard drive, etc. If the device is in a case which may be getting in the way, try it without the case. Check for detritus in the port that may be getting in the way. Give it a quick blow or use a can of compressed air.

We would advise against poking around with a straightened paperclip etc, but a soft cotton-wool bud ought to be okay. Try the same at the device end, too. If the basics don't work, we need to establish where the fault lies. If it works as soon as you try a different port, then the first port is probably faulty: if this is the case, you'll need to decide whether to manage without that port or get it repaired. If it only works when you switch to a different machine, then you've probably got a Mac-wide issue.

Fix 'USB Port Not Working' on Windows 10/8/7 without Losing Data – EaseUS

In either case, you should try some of the fixes further down, which may clear things up and should confirm where the problem lies. If it doesn't work wherever you plug it in, then the problem probably lies with either the cable or the device you're plugging into the Mac. We'll look at that next.