Drivers · medium

How to fixCODE-43-USB-HUB

Error code 43 on USB controller (xHCI)

What this error means

CODE-43-USB-HUB shows up as a medium-severity system driver fault. The entire USB controller reports code 43, which disconnects all USB ports on the given group. Common triggers are corrupt USB xHCI Driver and driver conflict after windows update. 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
01Uninstall the USB controllers in Device Manager and reboot (Windows will reinstall them)

Uninstall the USB controllers in Device Manager and reboot (Windows will reinstall them).

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

I need help
02Run: sfc /scannow

Run: sfc /scannow.

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

I need help
03Hard reset: unplug the PC for 30 seconds

Hard reset: unplug the PC for 30 seconds.

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

I need help

Possible causes

  • Corrupt USB xHCI Driver
  • Static port overload
  • Driver conflict after windows update

Useful Windows tools

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

devmgmt.msc