![Virtualbox no bootable medium found system halted windows 7](https://cdn3.cdnme.se/5447227/9-3/1_64e61dfaddf2b33c615a3cd3.png)
![virtualbox no bootable medium found system halted windows 7 virtualbox no bootable medium found system halted windows 7](https://i.stack.imgur.com/jjf0k.png)
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 no bootable medium found system halted windows 7 virtualbox no bootable medium found system halted windows 7](http://i.stack.imgur.com/erdBt.png)
![virtualbox no bootable medium found system halted windows 7 virtualbox no bootable medium found system halted windows 7](https://i.stack.imgur.com/u3xXM.png)
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 windows 7](https://cdn3.cdnme.se/5447227/9-3/1_64e61dfaddf2b33c615a3cd3.png)