Navigation Keys; Boot Sequence; System Setup Options; Overview - Dell Latitude 9520 Series Service Manual

Navigation keys

NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart
the system.
Keys Navigation
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
Enter Selects a value in the selected field (if applicable) or follow the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
Tab Moves to the next focus area.
Esc Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a
message that prompts you to save any unsaved changes and restarts the system.

Boot Sequence

Boot sequence enables 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 F2 key
● Bring up the one-time boot menu by pressing F12 key.
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options
are:
● Removable Drive (if available)
● STXXXX Drive
NOTE: XXXX denotes the SATA drive number.
● Optical Drive (if available)
● SATA Hard Drive (if available)
● Diagnostics
NOTE: Choosing Diagnostics, displays the SupportAssist screen.
The boot sequence screen also displays the option to access the System Setup screen.

System setup options

NOTE: Depending on the laptop and its installed devices, the items listed in this section may or may not appear.

Overview

This section provides hardware specification for the system and contains no modifiable settings.
Table 4. BIOS Overview Page
Options
Series and system model number
Description
This field shows the following information:
● BIOS Version - The version of the BIOS installed on the
computer.
● Service tag - The unique 7 digit hexadecimal identification
number for the computer.
● Asset tag
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