Installing System Components 133System BoardRemoving the System BoardCAUTION: 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 Program Module (TPM) with an encryptionkey, you may be prompted to create a recovery key during program or systemsetup. Be sure to create and safely store this recovery key. If you replace thissystem board, you must supply the recovery key when you restart your system orprogram before you can access the encrypted data on your hard drives.1 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.2 If applicable, remove the front bezel. See "Removing the Front Bezel" onpage 75.3 Open the system. See "Opening the System" on page 76.4 Remove the cooling shroud. See "Removing the Cooling Shroud" onpage 93.5 Remove any expansion card. See "Removing an Expansion Card" onpage 88.6 Remove the heat sink and the processor. See "Removing a Processor" onpage 112.WARNING: The heat sink can get hot during operation. To avoid burns, ensurethat the system has sufficient time to cool before removing the system board.7 Remove the system battery. See "Replacing the System Battery" onpage 122.8 If installed, remove the iDRAC6 Enterprise card. See "Removing aniDRAC6 Enterprise Card" on page 111.9 If installed, remove the iDRAC6 Express card. See "Removing an iDRAC6Express Card" on page 108.10 Disconnect all cables from the system board.
