Dell POWEREDGE 840 - Manual (Page 85)

Installing System Components
85
Front I/O Panel (Service-Only Parts Procedure)
Removing the Control Panel Assembly and Chassis-Intrusion Switch
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer, and protecting against electrostatic
discharge.
1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2 Open the system. See "Opening the System" on page 43.
3 Disconnect the control panel assembly cable from the FRONT_PANEL connector on the system board
and remove the assembly cable from its guide bracket. See Figure 3-25.
4 Slide the chassis-intrusion switch upward and lift it out of its slot in the front of the chassis. Then,
remove the chassis-intrusion cable from its three holding clips underneath the front lip of the system
chassis.
5 Using a #2 Phillips screwdriver, remove the two screws that secure the control panel assembly to the
chassis. See Figure 3-25.
6 Lift the control panel assembly and the attached chassis-intrusion switch away from the system. See
Figure 3-25.