HP dx7500 - Microtower PC Service & Reference Manual page 83

6. Disconnect the power cable (1) and data cable (2) from the back of the hard drive.
Figure 7-28 Disconnecting the Hard Drive Cables
7. Remove the four screws that secure the hard disk drive to the hard drive cage (1), then slide the
hard disk drive out of the hard drive cage (2).
Figure 7-29 Removing the Hard Drive
NOTE: To install an internal 3.5-inch hard drive, refer to
on page 74.
Installing an Internal 3.5-inch Hard Drive
Drives 73