Updating bios in vista
Your BIOS version will be given next to BIOS Revision. Select FAT32 in the drop down menu under File system and select Free DOS next to “Create a bootable disk using”.
To update your BIOS on your Dell computer/laptop, you will first have to check which version of BIOS is currently running on your system. After submitting your Service tag, your system model should appear on the web page, under Product Support.
Make sure “Drivers and downloads” is selected on the left.
It’s a set of code that resides on a chip on yours system’s motherboard.
When a computer boot up, it looks in the chip for BIOS for instructions on where to find the operating system and among many other things, BIOS also further facilitates communication between the operating system and the hardware. Enter your Service Tag or Express Service Code in the required text box usually written on the top or bottom of your desktop or laptop, if not, press Windows key R. In the black window, type the following command: Press Enter to run the command.