Keep the four screws so you can use them to secure the mounting plate to the hard disk drive. Then set the drive aside with the component side facing up.
Removing and Attaching the Mounting Plate
If you are installing a new hard disk drive in your computer, you need to attach a hard disk drive mounting plate to the drive. This mounting plate is currently attached to the side of the subassembly, as shown below.
subassembly
mounting plate
vertical mounting area
Follow these steps to remove the mounting plate from your computer:
1.Turn the computer so that the front panel is facing you. The vertical mounting area is located behind the front panel on the right side of the subassembly.