I used 5.1.1 downloaded the image from the web and burned it on a cd. I entered the CD into the drive and booted with selecting CD-drive as first boot option in the BIOS. The system boots and hangs at the point described above. All existing drives are detected and listed. The message is as described above: searching for CD in drive /dev/hda. hda, however, is a harddrive, the cd drive would be hdc.