Why are my USB ports not working?

Restart and Update It’s possible that all your USB port needs is a quick restart. Sometimes there’s an internal error that can keep components from acting the way they should, and restarting gives the computer a chance to fix itself. In Windows, click the Start menu > Power button > Restart.

Why are my computer USB ports not working?

The USB device may become unresponsive because of a race condition in the Selective Suspend feature. The Selective Suspend feature suspends the USB device to efficiently maintain battery power by enabling the computer to turn off the USB device. However, sometimes this feature may not correctly wake up the USB device.

Why is my USB not working on my Mac?

Insert the bootable USB into Mac and power it on.

  • As soon as the startup process begins,hold down the Option (alt) key and keep it depressed until you see the Startup Manager on your screen.
  • You will now see the various startup disk options,and your USB will be listed there.
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    Why does my USB port stop working?

    – Symptoms. USB devices attached to the same hub are very slow or completely unresponsive. – Cause. While multiple devices that are attached to the same hub are going into selective suspend, one of the devices on the hub can receive a wake request. – Workaround. Try these methods to work around this problem.

    How to solve USB ports not working?

    Restart the computer.

  • Inspect the USB port.
  • Try another USB port to see whether it is a USB drive issue.
  • Use a different USB cable.
  • Check the USB controller.
  • Upgrade the device driver.