Clearing Forgotten Passwords 89
Clearing CMOS Settings CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
1
Follow the procedures in "Before You Begin" on page 139.
2
Remove the computer cover (see "Removing the Computer Cover" on
page 141).
3
Reset the current CMOS settings:
a
Locate the password and CMOS jumpers (RTCRST) on the system
board (see "System Board Components" on page27.
b
Remove the password jumper plug from its pins.
c
Place the password jumper plug on the RTCRST pins and wait
approximately 5 seconds.
d
Remove the jumper plug from the RTCRST pins and place it back
upon the password pins.
4
Replace the computer cover (see "Replacing the Computer Cover" on
page 145).
NOTICE: To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
5
Connect your computer and devices to electrical outlets, and turn them
on.
Flashing the BIOSThe BIOS may require flashing when an update is available or when replacing
the system board.
1
Turn on the computer.
2
Locate the BIOS update file for your computer at the Dell Support
website at
support.dell.com
.
3
Click
Download Now
to download the file.
4
If the
Export Compliance Disclaimer
window appears, click
Yes, I Accept
this Agreement
.
The
File Down load
window appears.