Dell OptiPlex 755 User Manual page 68

3. Remove the computer cover (see
4. Remove the optical drive (if your configuration has one). See
5. Disconnect cable from the existing hard drive.
6. Remove the existing hard drive from the computer (see
7. Remove screws from the existing hard drive and install them on the new hard drive.
8. Carefully slide the new hard drive into the upper bay until it clicks into place.
9. Insert reconnect the cable to the drive.
10. Locate an unused SATA connector on the system board and attach a data cable from the second hard drive to the SATA connector.
NOTICE: Always connect the data cable to the SATA1 connector when installing a second hard drive.
1 data cable 2 hard drive system board connector
11. Replace the optical drive (if your configuration has one). See
12. Replace the computer cover (see
13. Turn on the computer.
14. Enter system setup, and update the SATA port option under the Drives option list (see
15. Exit system setup, and reboot the computer.
Removing the Computer Cover).
Removing an Optical
Removing a Hard
Installing an Optical
Replacing the Computer Cover).
Drive.
Drive).
Drive.
Entering System Setup).