Code 43
Windows has stopped this device because it has reported problems (Code 43)
The device hardware or driver failed. Most commonly seen on Graphics Cards and USB devices.
What you may notice
- Resolution locked to 800x600
- Artifacting or lines on the screen
- USB device not recognized
Likely Causes
- Corrupt graphics driver
- Dead or dying GPU VRAM/Core
- Counterfeit hardware with fake BIOS
Before changing a driver
Record the exact error code and device name, save open work, and restart the PC once before making a deeper change. Check whether Windows Update or the PC maker has a model-specific package, and create an available restore point before removing software. Stop if the menus or hardware details do not match this guide.
Troubleshooting Windows has stopped this device because it has reported problems (Code 43)
Follow this flowchart to isolate the cause of the error.
How to fix it
Step 1: DDU Clean Install
Run Display Driver Uninstaller (DDU) in Safe Mode to completely wipe the existing graphics driver, then install the latest version.
Step 2: Check Hardware
If DDU does not fix the issue, the GPU has likely suffered a physical hardware failure and needs replacement.