1. Align the slots on the VGA module with the hooks on the control panel board.2. Press down on the VGA module until the hooks snap into place.3. Install the control panel.4. Close the system.5. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.6. If applicable, remove the front bezel.System BoardRemoving The System BoardCAUTION: 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.CAUTION: If you are using the Trusted Program Module (TPM) with an encryption key, you may be prompted tocreate a recovery key during program or system setup. Be sure to create and safely store this recovery key. If youreplace this system board, you must supply the recovery key when you restart your system or program before youcan access the encrypted data on your hard drives.1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.2. Open the system.3. Remove the following:a) cooling shroudb) cooling-fan assembly, if applicablec) PCIe card holderd) memory modulese) all expansion cardsWARNING: The heat sink and processor are hot to the touch for some time after the system has beenpowered down. Allow the heat sink and processor to cool before handling them.f) heat sink(s) and processor(s)g) internal dual SD moduleh) If installed, internal USB key4. Disconnect all cables from the system board.CAUTION: Take care not to damage the system identification button while removing the system board fromthe chassis.5. Grasp the system-board holder, lift the blue release pin and slide the system board toward the front of the system.CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or othercomponents.126
