HP P6230F - Pavilion - Desktop PC Supplementary Manual page 19

3 Disconnect all peripherals and cables from the front
and the back of the computer. Disconnect the power
cord last.
4 Loosen the side panel thumbscrew on the back of the
computer.
— Removing and Replacing a Hard Disk Drive
537488-001
5 Grasp the handle, and pull the side panel about
2.5 cm (1 inch) toward the back of the computer to
release it.
6 Tilt out the top of the side panel, and then lift the panel
from the computer.
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3