Same happend to me. For some reason I was able to move on to the installation menu and did a full install of Alpha 3. Then I updated with the latest updates and did a restart. Now I am back looking at the black screen with the underscore again.
This is with VirtualBox OSE 3.0.8 r53138
Same happend to me. For some reason I was able to move on to the installation menu and did a full install of Alpha 3. Then I updated with the latest updates and did a restart. Now I am back looking at the black screen with the underscore again.
This is with VirtualBox OSE 3.0.8 r53138