Motherboard · critical

How to fixUSB-POWER-SURGE

Overvoltage on USB hub port

What this error means

USB-POWER-SURGE is a critical-severity motherboard problem. The USB device has exceeded the power limits of its hub port. The usual suspects are short circuit on the USB front panel on the computer case and damaged controller on board. Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Disconnect the warning device immediately!

Disconnect the warning device immediately!.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Check the ports for physically broken

Check the ports for physically broken.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Restart the computer to restore power to the ports

Restart the computer to restore power to the ports.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • A shorted USB device (often a cheap flash drive or a damaged mouse connector)
  • Short circuit on the USB front panel on the computer case
  • Damaged controller on board

Useful Windows tools

These commands open Windows tools. Review any action inside the tool before applying changes.

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