Dell OptiPlex 390 Owners Manual - Page 55

System Setup, Boot Menu, Boot Menu Enhancements - specifications

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System Setup 19 System Setup This computer offers you the following options: • Access System Setup by pressing • Bring up a one-time boot menu by pressing Press to enter System Setup and make changes to the user-definable settings. If you have trouble entering System Setup using this key, press when the keyboard LEDs first flash. Boot Menu This feature gives users a quick and convenient mechanism to bypass the System Setup-defined boot device order and boot directly to a specific device (for example: floppy, CD-ROM, or hard drive). Keystroke Function one-time boot and diagnostics utility menu one-time boot and diagnostics utility menu Boot Menu Enhancements The boot menu enhancements are as follows: • Easier access - Although the keystroke still exists and can be used to call up the menu, simply press during system boot to access the menu. • User prompting - Not only is the menu easy to access, when you are prompted to use the keystroke on the BIOS splash screen (see image below). The keystroke is not "hidden". • Diagnostics options - The boot menu includes two diagnostic options, IDE Drive Diagnostics (90/90 Hard Drive Diagnostics) and Boot to the Utility Partition. The benefit here is that you do not have to remember the and keystrokes (although they still work). NOTE: The BIOS features an option to disable either or both of the keystroke prompts under the System Security / Post Hotkeys submenu. 55

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System Setup
19
System Setup
This computer offers you the following options:
•
Access System Setup by pressing <F2>
•
Bring up a one-time boot menu by pressing <F12>
Press <F2> to enter System Setup and make changes to the user-definable
settings. If you have trouble entering System Setup using this key, press <F2>
when the keyboard LEDs first flash.
Boot Menu
This feature gives users a quick and convenient mechanism to bypass the
System Setup-defined boot device order and boot directly to a specific device
(for example: floppy, CD-ROM, or hard drive).
Keystroke
Function
<Ctrl><Alt><F8>
one-time boot and diagnostics utility menu
<F12>
one-time boot and diagnostics utility menu
Boot Menu Enhancements
The boot menu enhancements are as follows:
•
Easier access
— Although the <Ctrl><Alt><F8> keystroke still exists and can
be used to call up the menu, simply press <F12> during system boot to
access the menu.
•
User prompting
— Not only is the menu easy to access, when you are
prompted to use the keystroke on the BIOS splash screen (see image
below). The keystroke is not "hidden".
•
Diagnostics options
— The boot menu includes two diagnostic options,
IDE
Drive Diagnostics
(90/90 Hard Drive Diagnostics) and
Boot to the Utility
Partition
. The benefit here is that you do not have to remember the
<Ctrl><Alt><D> and <Ctrl><Alt><F10> keystrokes (although they still work).
NOTE:
The BIOS features an option to disable either or both of the keystroke
prompts under the System Security / Post Hotkeys submenu.
55