Clearing Passwords and CMOS Settings 87

Clearing CMOS Settings

CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions located in the Product Information Guide.
1
Follow the procedures in "Before You Begin" in the
Service Manual
on the
Dell Support website at
support.dell.com
.
NOTE: The computer must be disconnected from the electrical outlet to clear
the CMOS setting.
2
Remove the computer cover (see "Removing the Computer Cover" in the
Service Manual
on the Dell Support website at
support.dell.com
).
3
Locate the 3-pin CMOS jumper on the system board (see "System Board
Components" in the
Service Manual
on the Dell Support website at
support.dell.com
).
4
Move the 3-pin jumper plug from pins 3 and 2 to pins 1 and 2.
5
Wait five seconds for the CMOS to clear.
6
Move the 2-pin jumper plug back to pins 3 and 2.
7
Replace the computer cover (see "Replacing the Computer Cover" in the
Service Manual
on the Dell Support website at
support.dell.com
).
NOTICE: To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
8
Connect your computer and devices to electrical outlets, and turn
them on.
book.book Page 87 Friday, April 25, 2008 3:58 PM