Instead of hunting for a non-existent driver file (like ecd819.sys ), follow this rigorous troubleshooting guide.
In most cases, you do need to download a third-party driver; Windows 10 includes built-in drivers for these universal optical devices. If your drive isn't appearing, it's usually due to a power issue, a driver conflict, or a missing media player. Quick Fixes for the ECD819-SU3 ecd819 su3 windows 10 driver