b) PCIe cage door5. Reinstall the system base cover.6. Close the system.7. If applicable, reinstall the wheel assembly and power cable retention bracket.8. Place the system upright on a flat, stable surface.If the wheel assembly is not installed, rotate the system feet outward.9. If removed, reinstall the hard drives, server modules, and power supplies.10. Reconnect the enclosure to its electrical outlet and turn the enclosure on, including any attached peripherals.11. Turn on the server modules using the operating system commands or the CMC.12. If applicable, install the front bezel.Replacing The LCD ModuleThe LCD module is a part of the top mounting ear assembly. To replace an LCD module, you must replace the topmounting ear. The new top mounting ear will have the replacement LCD module. For information on removing andinstalling the top mounting ear, see Removing The Mounting Ears and Installing The Mounting Ears.Control Panel AssemblyRemoving The Control PanelCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. If installed, remove the front bezel.2. Turn off the server modules using the operating system commands or the CMC.3. Turn off the enclosure, including any attached peripherals, and disconnect the enclosure from the electrical outletand peripherals.4. Remove the server modules installed in Slots 1 and 2.5. Remove the hard drives installed in Slots 0 to 5 of the 3.5 inch hard-drive chassis, and Slots 0 to 14 of the 2.5 inchhard-drive chassis.6. If applicable, rotate the system feet inward and lay the system on its side on a flat stable surface, with the coverrelease latch side on top.7. Open the system.8. Remove the cooling shroud.9. Remove the cooling-fan assembly.10. Disconnect the control panel cable from its connector on the system board.11. Remove the screw securing the LCD cable holder to the chassis and pull the cable holder out of the chassis.Note the routing of the LCD module cable as you remove the cable holder. You must route the cable properly whenyou replace the holder, to prevent it from being pinched or crimped.12. Remove the three screws securing the control panel to the chassis.13. Press the release tabs inward to release the control panel.14. Holding it by its sides, pull the control panel out of the chassis.15. Use the pull-tab to disconnect the LCD module cable from the control panel board.93