As you are familar with the BIOS, you should be able to enable a search for hard drives from the BIOS.
Is the hard drive in the wrong position?
e.g. connected to the secondary cable with the CD/DVD set as primary.
Are you using IDE drives and the new drive is a SATA drive.
If another SATA drive, is one a SATA drive and the new one a SATA 2 drive