Removing the Speakers.......................................................................................................................................... 25Installing the Speakers........................................................................................................................................... 26Removing the Display-Hinge Cover........................................................................................................................ 26Installing the Display-Hinge Cover......................................................................................................................... 27Removing the Heatsink........................................................................................................................................... 27Installing the Heatsink............................................................................................................................................ 27Removing the Display Assembly.............................................................................................................................28Installing the Display Assembly..............................................................................................................................29Removing the System Fan.......................................................................................................................................30Installing the System Fan........................................................................................................................................30Removing the System Board...................................................................................................................................31Installing the System Board....................................................................................................................................32Removing the Power Connector ............................................................................................................................ 32Installing the Power Connector.............................................................................................................................. 334 Docking Port Information.........................................................................................................355 System Setup............................................................................................................................. 37Boot Sequence....................................................................................................................................................... 37Navigation Keys......................................................................................................................................................37System Setup Options.............................................................................................................................................38Updating the BIOS ................................................................................................................................................. 47System and Setup Password..................................................................................................................................48Assigning a System Password and Setup Password...................................................................................... 48Deleting or Changing an Existing System and/or Setup Password..................................................................496 Diagnostics.................................................................................................................................51Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................51Device Status Lights............................................................................................................................................... 51Battery Status Lights.............................................................................................................................................. 527 Specifications............................................................................................................................ 538 Contacting Dell.......................................................................................................................... 59