virtualbox no bootable medium found system halted mac os

Another issue can be appeared, if you mount accidentally the bootable iso to a SATA storage device controller instead of IDE. The CD/ DVD storage device controller is configured as SATA.If you mount a bootable iso before you start your virtual machine, you will be successful booting up the system. When you create a virtual machine for a first time, you need to mount a bootable iso like Ubuntu. VirtualBox doesn’t point to an operating system, either a mounted iso or a virtual hard disk with a bootable OS.There are two main reasons behind this issue: What causes this “Could not read from the boot medium” error? Note: This problem has to do purely with VirtualBox, and can be experienced on any host operating system be it Windows, Mac OS or Linux. This error is more common when trying to start a new virtual machine, but it is not impossible to happen at an existing virtual machine if the virtual hard drive is missing. Many VirtualBox users have experienced at least once the message ‘FATAL: Could not read from the boot medium! System halted.‘ Sometimes it is also shown ‘ No Bootable Medium Found! System halted‘.

Virtualbox no bootable medium found system halted mac os