Dell XPS M1730 (M1730, Late 2007) - Manual (Page 86)

86 Flashing the BIOS
The File Download window appears.
6 Click Save this program to disk and then click OK.
The Save In window appears.
7 Click the down arrow to view the Save In menu, select Desktop, and then
click Save.
The file downloads to your desktop.
8 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.
9 Double-click the file icon on the desktop and follow the instructions on
the screen.