As I've researched through the internet it may be local issue, you may try to do what is described in this link https://answers.unrealengine.com/questions/489355/no-disk-in-the-drive-when-open...
As I've researched through the internet it may be local issue, you may try to do what is described in this link https://answers.unrealengine.com/questions/489355/no-disk-in-the-drive-when-open...