HP P6230F - Pavilion - Desktop PC Supplementary Manual page 20

7 Locate the three tabs that secure the front panel to the
computer. Pull each of the tabs out slightly, away from
the computer, to release the panel.
8 Swing the front panel open toward the left, and then
lift it off the computer.
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9 Lay the computer on the side.
10 Locate the hard disk drive cage inside the computer.
— Removing and Replacing a Hard Disk Drive
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