Installed SCSI CD-ROM drive does not work due to loose SCSI controller card.
Cause:
The SCSI controller card is loose.
Solution:
Push down on the card to re-seat controller card into its expansion slot. Replace the computer cover, connect all power cords, and turn the computer on.
WARNING: Electrical shock hazard! Make sure the power is turned off and the external power cables have been disconnected before removing the computer cover.
CAUTION 1: This task should be performed by a qualified computer technician.
CAUTION 2: Please observe steps to reduce the potential damage to computer components from electrostatic discharge.
1) Turn off the computer and disconnect the power cord from the computer.
2) Remove the computer cover.
3) Using even pressure on the SCSI controller card, gently press down on the expansion card to securely seat the card into the expansion slot.
CAUTION: Keep the card vertical while inserting it into an expansion, and be careful not to bend the SCSI controller card. Bending the SCSI controller card can damage the circuitry.
4) Replace the computer cover, and reconnect the power cord to the computer.
5) Turn on the computer.