Replacing the Master Control Board 8312Replacing the Master Control BoardWARNING: Before working inside your computer, read the safety informationthat shipped with your computer. For additional safety best practices information,see the Regulatory Compliance Homepage atwww.dell.com/regulatory_compliance1 Follow the procedures in "Before You Begin" on page 13.2 Remove the computer cover (see "Replacing the Computer Cover" onpage 17).3 Remove the fan shrouds (see "Removing the Card Slot and Processor FanShrouds" on page 77).4 Remove the card slot assembly (see "Replacing the Card Slot FanAssembly" on page 77).5 Remove the processor fan assembly (see "Replacing the Processor FanAssembly" on page 79).6 Disconnect all cables from the master control board.7 Remove three screws that secure the master control panel to the metaltray.
