If you want to boot from a CD/DVD disc or an ISO image, but find that the disc has been created incorrectly, you may get the No bootable medium found in VirtualBox error. A bootable disk has been created incorrectly or is not bootable Let’s consider the most popular reasons why you can get the No bootable medium found in VirtualBox error and review the algorithms of actions that can help you resolve this issue. Reasons Why You Can Get the No Bootable Medium Found in VirtualBox Error The No bootable medium found in VirtualBox error is common when creating a new VM. In today’s blog post, we will review all possible cases when this error can occur, as well as methods for resolving this issue. Sometimes when you are creating a new VM or when you are trying to start an existing VM, your VM cannot boot and you get the error: No bootable medium found! System halted. By Michael Bose No Bootable Medium Found in VirtualBox: The Best Solution is Here!