Click on BIOS available for download in the search results to expand its details. Now type the exact file name of the BIOS update file e.g. In case of laptop, make sure the battery is present in the laptop and the AC adapter is connected with it the whole time.If the BIOS version and date is newer than the one currently installed, then click Download File to download it. 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.
Make sure “Drivers and downloads” is selected on the left.If not, then you already have the latest BIOS version. Click yes and OK to the confirmation and warning messages that may vary by system model. Save and close any running applications, and open the downloaded file. Do not turn off your computer or laptop in any case during the updating process. If the update does not address the hardware you're having problems with, you may not want to flash the BIOS.Unlike a software update you'd perform on a software program or computer game, BIOS updates are much more difficult and if done improperly can cause your computer to no longer work.