Dell Precision R5500 (Early 2011) - Manual (Page 67)

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System Setup
Boot Menu
As with previous workstation platforms, this computer includes a one-time 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). The boot menu enhancements introduced on previous platforms 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, but the user is prompted to use the keystroke on the BIOS
splash screen. The keystroke is no longer "hidden" from the user.
• 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 the user does not have to remember the
and and keystrokes.
NOTE: Since the one-time boot menu only affects the current boot, it has the added benefit of not requiring the
technician to restore the customer's boot order after completing troubleshooting.
The computer has several keystroke options available during the POST process at the Dell Logo screen. These
keystrokes make several options available.
Keystroke Function Description
Enter System
Setup
Use System Setup to make changes to the user-
definable settings.
or Enter Boot Menu One-time boot and diagnostics utility menu.
Network Boot Bypass the BIOS boot sequence and boot directly
to the network.
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