4System SetupSystem Setup enables you to manage your computer hardware and specify BIOS‐level options. From the System Setup,you can:• Change the NVRAM settings after you add or remove hardware• View the system hardware configuration• Enable or disable integrated devices• Set performance and power management thresholds• Manage your computer securityBoot SequenceBoot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device(for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can:• Access System Setup by pressing key• Bring up the one-time boot menu by pressing keyThe one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot-menuoptions are:• Removable Drive (if available)• STXXXX DriveNOTE: XXX denotes the SATA drive number.• Optical Drive• DiagnosticsNOTE: Choosing Diagnostics, will display the ePSA diagnostics screen.The boot sequence screen also displays the option to access the System Setup screen.Navigation KeysThe following table displays the system setup navigation keys.NOTE: For most of the system setup options, changes that you make are recorded but do not take effect until yourestart the system.Table 1. Navigation KeysKeys NavigationUp arrow Moves to the previous field.Down arrow Moves to the next field.53