Administrator Guide

9
Updating or Resetting the BIOS
Flashing the BIOS
It is recommended to flash the BIOS when an update is available or when you
replace the system board. To flash the BIOS:
1 Turn on your computer.
2 Go to www.dell.com/support
.
3 Click
Product support
, enter the Service Tag of your computer, and then
click
Submit
.
NOTE: If you do not have the Service Tag, use the auto-detect
feature or manually browse for your computer model.
4 Click
Drivers & downloads
→
Find it myself
.
5 Select the operating system installed on your computer.
6 Scroll down the page and expand
BIOS
.
7 Click
Download
to download the latest version of the BIOS for your
computer.
8 After the download is complete, navigate to the folder where you saved
the BIOS update file.
9 Double-click the BIOS update file icon and follow the instructions on the
screen.
Clearing CMOS settings
In the event that flashing your computer with the latest BIOS update results in
your computer being unable to boot, a BIOS reset is necessary. Clearing the
CMOS settings will reset the BIOS to factory settings. For more information
about clearing the CMOS settings, see your computer's Service Manual.