Installing System Components | 1435 Replace the screws that secure the front-panel assembly to the chassis.See Figure 3-32.6 Replace the screws that secure the hard-drive cage to the chassis. SeeFigure 3-31.7 Connect front panel cables to the fan controller board. See Figure 5-11.You must route these cables properly through the tabs on the chassis toprevent them from being pinched or crimped.8 Connect all the cables to the backplane. See Figure 5-3 for 3.5 " harddrives and Figure 5-5 for 2.5 " hard drives.You must route these cables properly through the tabs on the chassis toprevent them from being pinched or crimped.9 Close the system. See "Closing the System" on page 118.10 Replace the hard drives. See "Installing a Hard Drive into a Hard-DriveCarrier" on page 83.11 Reconnect the system to its electrical outlet and turn on the system,including any attached peripherals.Sensor BoardsRemoving the Sensor Board for 3.5” Hard Drive SystemCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that came withthe product.1 Turn off the system, including any attached peripherals, anddisconnect the system from the electrical outlet.2 Remove all the hard drives. See "Removing a Hard-Drive Carrier" onpage 81.3 Open the system. See "Opening the System" on page 117.
