How to fix USB port failure caused by power surge?

Every device connected to your PC requires power, whether it's a keyboard, mouse, or speakers. However, if there is a sudden increase, these may malfunction or stop working. Many users encounter this error when the USB port is not working after a power surge.

Whenever a power surge occurs, you will typically receive a message to warn you and protect your connected devices from any form of damage. However, in some cases, the USB port stops working after this.

So, you have to identify the problem and eliminate it to fix USB port not working properly after power surge issue.

What should I do if my USB port doesn’t work properly after a power surge?

1. Follow the on-screen instructions

1. When you receive a power surge on USB port warning, disconnect all devices connected to the PC , and then click the Reset button.
2. After the process is complete, restart your computer for the changes to take effect.

The easiest way is to let Windows handle the problem. You can do this by performing a reset as recommended. Once completed, check if the USB port is not working after the power surge issue is eliminated.

2. Update the USB driver

1. Press Windows S to launch the search menu and enter Device Manager in the text field and click on the relevant search result.
2. Double-click the Universal Serial Bus Controller entry here.
3. Right-click on the USB port device and select Update Driver from the context menu.
4. Finally, select Automatically search for drivers from the two options in the Update Driver window.
5. Similarly, update all other USB port drivers listed here.

If the drivers are outdated, updating them can help fix USB ports not working after a power surge issue. There are multiple methods here, and if Device Manager doesn't work, you can try other methods to update your drivers.

If this sounds like too much trouble, you can always use a reliable third-party app. We recommend DriverFix, a specialized tool that automatically installs the latest available versions of all drivers on your computer.

⇒Get DriverFix

3. Run the built-in troubleshooter

1. Press Windows RStart Run, paste the following command in the text field and hit Enter or click OK to start Hardware and Devices Troubleshooter. <strong>msdt.exe -id DeviceDiagnostic</strong>
2. After the troubleshooter starts, follow the on-screen instructions to complete the process.

The built-in hardware and device troubleshooter is an easy way to automatically identify and eliminate issues that cause USB ports to not work after a power surge issue.

4. Take your computer to a repair shop

If the methods listed here don't seem to work in your case, there may be a hardware problem. It could be related to a problem with the power supply, external peripheral device, or the USB port itself.

Although you can inspect and in some cases identify faulty hardware, fixing it is not possible. Therefore, we recommend you to take your PC to a repair shop and have it checked by a technician.

These are all the ways you can solve the problem that causes the USB port not to work after a power surge problem. Also, check out the best USB hubs to protect your PC and connected devices from power surges and prevent such errors.

If Windows 11 does not recognize the USB device, please follow the methods below to fix it. This is another common error encountered by users, so be sure to check the solutions.

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