Removing the I/O Board..................................................................................................................... 27Installing the I/O Board....................................................................................................................... 27Removing the Display-Hinge Cover...................................................................................................27Installing the Display-Hinge Cover.....................................................................................................28Removing the Display Assembly.........................................................................................................29Installing the Display Assembly.......................................................................................................... 30Removing the System Board...............................................................................................................31Installing the System Board................................................................................................................ 32Removing the Heatsink....................................................................................................................... 33Installing the Heatsink......................................................................................................................... 33Removing the Power-Connector Port...............................................................................................34Installing the Power Connector..........................................................................................................354 System Setup....................................................................................................... 36Boot Sequence....................................................................................................................................36Navigation Keys................................................................................................................................... 36System Setup Options.........................................................................................................................37Updating the BIOS ............................................................................................................................. 46System and Setup Password............................................................................................................... 47Assigning a System Password and Setup Password.....................................................................47Deleting or Changing an Existing System and/or Setup Password............................................ 485 Diagnostics.......................................................................................................... 49Enhanced Pre-Boot System Assessment (ePSA) Diagnostics........................................................... 49Device Status Lights............................................................................................................................ 50Battery Status Lights............................................................................................................................506 Specifications...................................................................................................... 527 Contacting Dell................................................................................................... 574