HP DL185 - Manual (Page 30)

Contents 30
and the drives, but some internal circuitry remains active. To completely remove all power from the
system, disconnect all power cords from the server.
To power down the server:
1. Shut down server as directed by the operating system documentation.
2. Press the power button to toggle to Standby.
This places the server in standby mode changing the power LED indicator to amber. In this
mode, the main power supply output is disabled. Standby does not completely disable or
remove power from the system.
3. Disconnect the AC power cord from the AC outlet and then from the server.
4. Be sure that the power LED indicator is turned off and that the fan noise has stopped.
5. Disconnect all external peripheral devices from the server.
System Covers
The top cover and top middle cover are both detachable. You need to remove the top cover before
you can remove or replace a server component. The middle cover needs to be removed to service the
SAS/SATA backplane board, optical drive, or internal USB.
Top Cover
To remove the top cover:
1. Loosen the captive screw on the rear panel with a T-15 screwdriver.
2. Slide the cover approximately 1.25 cm (0.5 inch) toward the rear of the unit and then lift the
cover to detach it from the chassis.
3. Lift the top cover away from the chassis.
Figure 1 Removing the Top Cover
To reinstall the top cover:
1. Align the top cover to the chassis and then slide it toward the front panel to position it into place.