If you are using a physical disc or a mounted ISO, Windows might fail to find the "drive" because the assigned letter has changed or isn't recognized by the game’s pathing. Right-click the button and select Disk Management . Find your CD/DVD drive (or virtual drive) in the list.
Right-click it and select .
Modern operating systems often handle legacy disc checks poorly. Setting the game to run as it would on Windows 7 can often bypass simple recognition errors. blur no cd dvd-rom drive found