Windows Device Manager Code 43 — Device Stopped Working

Windows Device Manager Code 43 means Windows has stopped this device because it reported problems. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Windows has stopped this device because it has reported problems. (Code 43). Very common with USB devices and GPUs. Can indicate hardware failure or driver issues. Device may work on other computers if not hardware-related. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: Device hardware malfunction or failure. USB port power insufficient for the device. Corrupted or incompatible device driver. Overheating GPU reporting errors. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Unplug device, wait 30 seconds, plug into different port. Uninstall device driver and reboot. Update driver from manufacturer website. For GPUs: clean install driver using DDU in Safe Mode. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Windows Error Codes collection on Error Codes Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.