Admin password is the one used for the first user in initial setup.
Move video kexts from /S/L/E (from HD, not from flash drive) http://Olarila.com/forum/viewtopic.php?f=27&t=1677
Not a subject for this topic, please start a new one.
If SATA is as AHCI in BIOS the HD should be listed in DU. Try booting with -f, maybe you have this problem http://Olarila.com/forum/viewtopic.php?f=26&t=1701