However as the name AFUDOS suggests it runs under DOS, therefore we need DOS bootable media - USB or CD. pdf help file there with commands and options. Please note the commands /p /b /n /c fits to windows. We have bios files, bios flash utility, next? bat except /o which we are going to use to start and make a back-up. Since we are unable to run windows and execute OEM BIOS. exe files we will use AFUDOS to do it, But we still need to boot our PC in DOS environment in order to start our AFUDOS.exe Create DOS boot USB to run flash process. If you have available PC running on Windows, you can use Rufus. Download Rufus here Detailed screenshots and instruction for creating bootable DOS USB can be found here. If you have access to Linux/Ubuntu PC only, then here are the instructions to do it under Ubuntu.

One way or another bootable DOS media is a must. Once you have the bootable USB media (USB or CD), simply test if it works. Insert your DOS bootable media in the PC (USB/CD) and start your PC while pressing the keyboard button or keys combination to select boot order. Remember now we must force the PC to read the bootable media during boot process in the beginning. The keyboard combination for entering boot sequence prompt is different from PC to PC, therefore you have to search in internet or try 'F8,F1,F2,'del'. On my PC I have to repeatedly press 'del' during start in order to enter BIOS configuration and change drive boot sequence. However you might have a functional key (F8) in my case to select the boot drive during start-up (see image below under 'Test DOS boot USB'). Here is the USB stick content which we just prepared previously with Rufus. Unfortunately under DOS not all of the files are showing up. Below under 'DIR DOS booted Screen' you can see content of the USB stick after browsing it under DOS. Insert your USB stick previously loaded with DOS boot files using Rufus. Start your PC and press the respective keyboard key in order to enter boot selection screen. In my case USB bootable stick name is 'Kingston data traveler'. But you can test starting PC and prompting select boot select screen with USB stick plugged and un-plugged. This way you will find the name of your USB stick. Select your USB device with the keyboard arrows and hit Enter.

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