Removing The Power Switch..................................................................................................................................31Installing The Power Switch...................................................................................................................................33Removing The Input/Output Panel.......................................................................................................................... 33Installing The Input/Output Panel........................................................................................................................... 35Removing The System Board..................................................................................................................................35System Board Layout..............................................................................................................................................37Installing The System Board...................................................................................................................................383 System Setup............................................................................................................................. 39Boot Sequence....................................................................................................................................................... 39Navigation Keys......................................................................................................................................................39System Setup Options.............................................................................................................................................40Updating the BIOS ................................................................................................................................................. 48Jumper Settings......................................................................................................................................................48System and Setup Password..................................................................................................................................48Assigning a System Password and Setup Password...................................................................................... 49Deleting or Changing an Existing System and/or Setup Password..................................................................49Disabling a System Password..........................................................................................................................504 Diagnostics.................................................................................................................................51Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................515 Troubleshooting Your Computer.............................................................................................53Power LED Diagnostics.......................................................................................................................................... 53Beep Code.............................................................................................................................................................. 54Error Messages...................................................................................................................................................... 546 Specifications............................................................................................................................ 597 Contacting Dell ......................................................................................................................... 67