3 display module cable 4 LCD control panel board
5 USB connector cable 6 stando on the chassis (2)
Next steps
1 Install the LCD control panel assembly.
2 Follow the procedure listed in the After working inside your system section.
Related links
Installing the LCD control panel assembly
Installing the LCD control panel assembly
Prerequisites
CAUTION: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple 
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. 
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions 
that are shipped with your product.
1 Follow the safety guidelines listed in Safety instructions section.
2 Follow the procedure listed in the Before working inside your system section.
3 Keep the Phillips #2 screwdriver ready.
Steps
1  Align the tabs on the control panel with the notches on the chassis.
2  Route the LCD cable through the cable retention clip.
3  Push the control panel toward the chassis until it snaps into place.
4  Align and install the LCD control panel board.
5  Secure the board in place with screws.
Figure 77. Installing the LCD control panel—four 3.5-inch hot swappable hard drive chassis
1
LCD control panel 2 notches (6)
3 display module cable retention clip 4 display module cable
122 Installing and removing system components