Topic: Easy2Boot

Date 14/12/2014

By SteveSi

Subject Re: Win7 Setup imgPTN

Yes, that is expected.
The USB drive is seen as a hard disk in VBox - what it more significant though is that in the VM, the USB drive is configured as HDD0 and the virtual HDD is HDD1 - so the 'system boot drive' is considered to be HDD0 (the USB drive).
On a real system it does not happen even if you install from a USB HDD.
You can restore the MBR by running RMPrepUSB - Install grub4dos, as you found.