Dell Dimension 4100 - Manual (Page 80)

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• The left side lists configuration options and their settings for the
hardware installed in your computer.
You can change settings enclosed in brackets, but not those that are
grayed out. Options identified by an arrowhead (>) provide access to
submenus.
• The top-right side displays help information for a highlighted option.
• The bottom-right side lists keys and their functions for the displayed
screen.
Clearing Forgotten Passwords
If you forget your user or setup password, you cannot operate your computer
or change settings in the system setup program until you clear the forgotten
password(s).
NOTICE: The following procedure resets all standard settings for your
computer. Before proceeding, record or print (by pressing <Print Screen>) all
current settings so that you can restore them when you finish this procedure.
1 Remove the computer cover (see page 42).
2 Locate jumper BIOS CONF on the system board (see page 44) and
move the jumper plug so that pins 2 and 3 are jumpered.
3 Replace the computer cover (see page 71), plug your computer into an
electrical outlet, and turn on the computer.
4 Press <Enter> at the Maintenance screen and then click Yes to clear
all passwords.
5 Press <F10> to save your changes and exit the system setup program.
6 Remove the computer cover again.
7 Move the jumper plug so that pins 1 and 2 are jumpered (standard
setting).
8 Replace the computer cover, plug your computer into an electrical
outlet, and turn on the computer.
Replacing the Battery
A coin-cell battery maintains computer configuration, date, and time
information. The battery can last several years.