HP Compaq dc5800 Hardware Reference Manual page 22

11. Orient the computer so that its right side is facing down.
Figure 2-8
NOTE:
tower stand.
12. Reconnect the power cord and any external devices, then turn on the computer.
13. Lock any security devices that were disengaged when the access panel was removed.
NOTE: Ensure at least 10.2 centimeters (4 inches) of space on all sides of the computer remains clear
and free of obstructions.
16 Chapter 2 Hardware Upgrades
Changing from Desktop to Tower Orientation
To stabilize the computer in a tower orientation, HP recommends the use of the optional
ENWW