System Security Settings details....................................................................................................41Miscellaneous Settings screen details.......................................................................................... 42About Boot Manager...........................................................................................................................43Entering Boot Manager ................................................................................................................ 43Boot Manager main menu............................................................................................................ 43About Dell Lifecycle Controller.......................................................................................................... 44Changing the boot order....................................................................................................................44Choosing the system boot mode...................................................................................................... 44Assigning a system and setup password............................................................................................45Using your system password to secure your system........................................................................ 45Deleting or changing an existing system and/or setup password....................................................46Operating with a setup password enabled........................................................................................ 46Embedded system management........................................................................................................47iDRAC Settings utility...........................................................................................................................47Entering the iDRAC Settings utility................................................................................................47Changing the Thermal Settings.................................................................................................... 474 Installing and removing system components...............................................49Safety instructions...............................................................................................................................49Before working inside your system.................................................................................................... 49After working inside your system....................................................................................................... 50Recommended tools.......................................................................................................................... 50Front bezel (optional)..........................................................................................................................50Installing the optional front bezel................................................................................................ 50Removing the front bezel..............................................................................................................51Removing and installing the system cover.........................................................................................51Removing the system cover......................................................................................................... 52Installing the system cover........................................................................................................... 53Inside the system.................................................................................................................................53Cooling shroud....................................................................................................................................55Removing the cooling shroud...................................................................................................... 56Installing the cooling shroud........................................................................................................ 57System memory...................................................................................................................................57General memory module installation guidelines.........................................................................59Mode-specific guidelines..............................................................................................................59Sample memory configurations...................................................................................................60Removing memory module..........................................................................................................62Installing memory modules.......................................................................................................... 63Hard drives...........................................................................................................................................65Removing a 2.5 inch hard-drive blank......................................................................................... 65Installing a 2.5 inch hard-drive blank........................................................................................... 66Removing a 3.5 inch hard-drive blank..........................................................................................674