Error code 43 on USB controller (xHCI)

What is CODE-43-USB-HUB?

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.

Common Causes

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

Step-by-Step Fix Guide

• 1
  Uninstall 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) resolves the majority of CODE-43-USB-HUB cases on its own, making it the logical starting point.

• 2
  Run: sfc /scannow

  Where the fault comes back, look to the later steps — they're built around uncommon drivers instability triggers.

• 3
  Hard reset: unplug the PC for 30 seconds

  "Hard reset: unplug the PC for 30 seconds" is the next step worth ruling out for CODE-43-USB-HUB.

Commands & Diagnostics

Frequently Asked Questions