Dell E56S Series, Installation And Service Manual

Page: 129 / 154

6. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals .
7. Remove the system cover .
8. If installed, remove the front bezel
9. Remove the cable chain assembly .
10. Disconnect the control panel cable from the system board connector.
Steps
1. Remove the cable from the left ear cable channel.
NOTE: Ensure that you note the routing of the cables as you remove them from the system board. You must route
the cables properly when you replace them to prevent the cables from being pinched or crimped.
2. Using a Phillips #1 screwdriver, remove the screws that secure the left control panel assembly to the system.
3. Holding by the sides, remove the left control panel assembly away from the system.
Figure 119. Removing the left control panel
Next steps
Replace the left control panel .
Installing the left control panel
Prerequisites
1. Follow the safety guidelines listed in Safety Instructions .
2. Power off the system and all attached peripherals.
3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5. If installed,
remove the front bezel .
6. Open the drive bays , remove all drives , and then close the drive bays .
7. Remove the power supply units .
8. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals .
9. Remove the system cover .
Installing and removing system components 129