Fatal no bootable medium. No bootable medium found virtualbox. no bootable medium found system halted. ошибка виртуальные машины fatal no bootable medium found system halted. no bootable medium found? please insert a bootable medium and reboot..

Fatal no bootable medium. No bootable medium found virtualbox. no bootable medium found system halted. ошибка виртуальные машины fatal no bootable medium found system halted. no bootable medium found? please insert a bootable medium and reboot..