Remove the Server Top Cover
Servicing most of the server components
requires that the top cover be removed.
If the top cover is removed without first removing the AC power cords, the
server host shuts down immediately and an event is logged to indicate that
the chassis top cover has been removed.
Ensure that the AC power cords are disconnected from the server power
Open the server fan door.
See Open the Server Fan Door.
To open the server top cover, press and hold down the top cover release
button and use the recessed area to slide the top cover toward the rear of
the server about 0.5 inches (12.7 mm) .
Lift the cover off the chassis and set it aside .