Dell Inspiron 14z (1470, Mid 2009) - Manual (Page 101)

Flashing the BIOS 101
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Flashing the BIOS
The BIOS may require flashing when an update is available or when replacing
the system board. To flash the BIOS:
1 Turn on the computer.
2 Go to support.dell.com/support/downloads.
3 Locate the BIOS update file for your computer.
NOTE: The Service Tag for your computer is located on a label at the bottom
of your computer.
If you have your computer’s Service Tag:
a Click Enter a Tag.
b Enter your computer’s Service Tag in the Enter a service tag field,
click Go, and proceed to step 4.
If you do not have your computer’s Service Tag:
a Click Select Model.
b Select the type of product in the Select Your Product Family list.
c Select the product brand in the Select Your Product Line list.
d Select the product model number in the Select Your Product Model
list.
NOTE: If you have selected a different model and want to start over again,
click Start Over on the top right of the menu.
e Click Confirm.
4 A list of results appears on the screen. Click BIOS.
5 Click Download Now to download the latest BIOS file. The File
Download window appears.
6 Click Save to save the file on your desktop. The file downloads to your
desktop.
7 Click Close if the Download Complete window appears. The file icon
appears on your desktop and is titled the same as the downloaded BIOS
update file.