Lenovo ThinkCentre 7539 User Manual page 45

5. Hold the hard disk drive and remove the four screws that secure the hard disk drive. Then, remove the
hard disk drive from the drive bay assembly and disconnect the signal cable and the power cable from
the rear of the hard disk drive to completely remove it from the chassis.
Figure 34. Removing the hard disk drive
6. Connect one end of the signal cable to the rear of the new hard disk drive and the other end to an
available SATA connector on the system board. See "Locating parts on the system board" on page 9.
Then, locate an available five-wire power connector and connect it to the rear of the new hard disk drive.
Figure 35. Connecting a SATA hard disk drive
.
Chapter 2 Installing or replacing hardware
37