Removing the optical drive filler...............................................................................................................................66Installing the optical drive filler................................................................................................................................. 68System memory............................................................................................................................................................... 69General memory module installation guidelines......................................................................................................70Sample memory configurations.................................................................................................................................71Removing a memory module.................................................................................................................................... 72Installing a memory module.......................................................................................................................................73System fan........................................................................................................................................................................74Removing the system fan......................................................................................................................................... 74Installing the system fan........................................................................................................................................... 75Expansion cards............................................................................................................................................................... 76Expansion card installation guidelines......................................................................................................................76Removing an expansion card....................................................................................................................................76Installing an expansion card...................................................................................................................................... 77Processors and heat sinks.............................................................................................................................................. 78Removing a heat sink................................................................................................................................................ 79Removing the processor...........................................................................................................................................80Installing a processor..................................................................................................................................................81Installing a heat sink...................................................................................................................................................82Power supply unit............................................................................................................................................................ 83Removing the power supply unit............................................................................................................................. 83Installing the power supply unit................................................................................................................................84System battery.................................................................................................................................................................85Replacing the system battery.................................................................................................................................. 85System board................................................................................................................................................................... 86Removing the system board.....................................................................................................................................87Installing the system board.......................................................................................................................................88Entering the system service tag using Intel Active Management Technology..................................................89Entering the system Service Tag by using System Setup................................................................................... 907 Using system diagnostics............................................................................................................................. 91Dell Embedded System Diagnostics...............................................................................................................................91Running the Embedded System Diagnostics from Boot Manager.......................................................................91System diagnostics controls..................................................................................................................................... 918 Jumpers and connectors .............................................................................................................................92System board connectors...............................................................................................................................................92System board jumper settings....................................................................................................................................... 94Disabling forgotten password........................................................................................................................................ 949 Troubleshooting your system...................................................................................................................... 95Safety first — for you and your system.......................................................................................................................95Minimum to POST........................................................................................................................................................... 95Minimum components...............................................................................................................................................95Troubleshooting system startup failure........................................................................................................................ 96Troubleshooting external connections..........................................................................................................................96Troubleshooting the video subsystem.......................................................................................................................... 96Contents 5