Enabling virtualization technology in the BIOS and clicking the VT-x/AMD-v checkbox in Virtualbox solved the same problem for me and booted the 64 bit system. However, everything is extremely slow then and graphics are not displayed correctly!
Enabling virtualization technology in the BIOS and clicking the VT-x/AMD-v checkbox in Virtualbox solved the same problem for me and booted the 64 bit system. However, everything is extremely slow then and graphics are not displayed correctly!