UCMUCSI_LIVEDUMP

What is 0x000001D4?

The 0x000001D4 error is categorized as a medium-severity system driver issue that can significantly impact your PC's stability. The USB Connector Manager UCSI driver detected a hardware or connection timeout in the USB-C Type-C controller firmware. Commonly caused by faulty USB-C hubs, outdated motherboard BIOS, or degraded USB-C ports. When experiencing the UCMUCSI_LIVEDUMP fault, users report USB devices disconnecting, failed external displays over USB-C, or slow charging warnings. In most diagnostic scenarios, this problem is directly triggered by outdated USB-C controller drivers, conflicting Thunderbolt/USB-C docking stations, and corrupted system registry keys. To permanently resolve the 0x000001D4 issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your system driver components are functioning correctly.

Common Causes

• USB-C Type-C port controller timeout
• Outdated motherboard BIOS firmware
• Conflicting external Thunderbolt/USB-C dock
• Degraded physical USB-C port connection

Step-by-Step Fix Guide

• 1
  Perform a power cycle (discharge motherboard capacitors)

  Applying the first fix (Perform a power cycle) addresses the most common root cause of 0x000001D4 and restores baseline functionality.

• 2
  Update the motherboard BIOS and chipset firmware

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to usb controllers instability are covered.

• 3
  Reinstall USB Controller drivers in Device Manager
• 4
  Unplug and reseat external hubs/displays

Commands & Diagnostics