I have HP Pavillion Entertainment PC DV6700 & I formatted it completely
Now situation is I am unable to install Any OS,,Vista, Xp,WIn2000, Win98,,Win95 as it shows me
"Setup did not find any hard drive on your system"
Following option i performed
1] Boot from WIn98,,used FDISK & created new MS-DOS Partition
2] Format complete,,,,& try to Boot from XP & used F6 key to install third party SCSI,,,&
tried to update BIOS Hard drive with USB Floppy Drive