Dell OptiPlex 790 (Early 2011) - Manual (Page 59)

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System Setup
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
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