Clearing cmos settings, Flashing the bios – Dell Precision T5400 (Late 2007) User Manual
Page 103
Clearing Forgotten Passwords
103
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 151.
2 Remove the computer cover (see "Removing the Computer Cover" on
3 Reset the current CMOS settings:
a
Locate the password and CMOS jumpers (RTCRST) on the system
board (see "System Board Components" on page 28).
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
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 BIOS
The 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 Download window appears.