It sounds like you are experiencing issues with your DVD-ROM drives on Windows 10 Pro 21H1 machines. Here are some troubleshooting steps you can follow to try and resolve this problem: 1. Check Device Manager: - Open Device Manager by pressing Win + X, then select Device Manager. - Expand the section for DVD/CD-ROM drives and right-click on your drive. Choose "Update driver" to see if Windows finds a better driver. 2. Roll Back Drivers: - In Device Manager, you can also try rolling back the driver. Right-click the drive, choose Properties, go to the Driver tab, and select "Roll Back Driver" if available. 3. Uninstall the Drive: - In Device Manager, try uninstalling the DVD-ROM drive, then restart your computer. This...