Dell Precision T1600 (Early 2011) - Manual (Page 55)

The second method is good if the monitor is already warmed up. If it is not, the system
often passes the window of opportunity before the video signal is visible. If this is the
case, rely on the first method—the keyboard lights—to know the keyboard is initialized.
Beep Codes And Text Error Messages
The OptiPlex BIOS is capable of displaying error messages in plain English, along with
beep codes. If the BIOS determines the previous boot was unsuccessful, it displays an
error message similar to the following:
Previous attempts at booting the system have failed at
checkpoint ______. For help resolving this problem, please
note this checkpoint and contact Dell Technical Support.
The blank is filled with a SmartVu code. To research the code given, search for the
phrase
SMVU codes in the Dell Knowledge Base. These codes are only meant to be
indicators; perform thorough troubleshooting before replacing components.
Navigation
The system setup can be navigated by either the keyboard or the mouse.
Use the following keystrokes to navigate the BIOS screens:
Action Keystroke
Expand and collapse field <Enter>, left- or right-arrow key, or +/–
Expand or collapse all fields < >
Exit BIOS <Esc> — Remain in Setup, Save/Exit,
Discard/Exit
Change a setting Left or right-arrow key
Select field to change <Enter>
Cancel modification <Esc>
Reset defaults <Alt><F> or Load Defaults menu option
System Setup Options
NOTE: Depending on the computer and its installed devices, the items listed in this
section may or may not appear.
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