Windows 8 Not Recognizing Second Hard Drive
1. Checked energy cables, Mother board SATA connection cables.
2. Disk management changed path and letter of the drive.
3. Change the port for the SATA cable
4. Disconnected second drive to see what happens
5. Very download the latest Raid / Storage controller Drivers even if is not for windows 8.
6. Make sure the BIOS is set to monitor SMART.