Installing System Components 1075 Connect the control-panel cable to the system board.6 Replace the front bezel. See "Installing the Front Bezel" on page 62.7 Close the system. See "Closing the System" on page 60.8 Reconnect the system to its electrical outlet and turn the system on,including any attached peripherals.System BoardRemoving the System BoardWARNING: The heat sink can get hot during operation. To avoid burns, ensurethat the system has sufficient time to cool before removing the system board.CAUTION: 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 not coveredby your warranty. Read and follow the safety instructions that came with theproduct.CAUTION: If you are using the Trusted Platform Module (TPM) with an encryptionprogram, you may be prompted to create a recovery key during system or programsetup. Be sure to create and safely store this recovery key. If you ever need toreplace the system board, you must supply the recovery key when you restart yoursystem or program before you can access the encrypted data on your hard drive(s).1 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.2 Open the system. See "Opening the System" on page 59.3 Remove expansion-card stabilizer. See "Removing the Expansion-CardStabilizer" on page 78.4 Remove the cooling shroud. See "Removing the Cooling Shroud" onpage 79.5 Disconnect all cables from the system board.6 Remove the cooling fan. See "Removing the Cooling Fan" on page 95.7 Remove all expansion cards and any attached cables. See "Removing anExpansion Card" on page 82.
