Change VirtualBox Boot Order

Changing the boot order in VirtualBox (3.2.8…) is not hard but if you expect to log into the BIOS to change it  GOOD luck!.

It is because only two ways  to change the boot order are the followings:

Via the VirtualBox Interface (you can also manually change the config file).

or by Hitting F12 on Boot
you will access a screen that looks like this