The basic input-output software, or BIOS, controls all of your computer's hardware directly from the motherboard. This software was once out of the hands of average computer users, as playing with settings and updating the BIOS could lead to catastrophe. Then, around 2000, motherboard manufactures simplified BIOS updates and introduced programs called bios flashers that most computer users could operate. Asus's BIOS update program from around the turn of the millennium is called Asus EZ Flash.
- Skill level:
- Moderately Easy
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Things you need
- Floppy disk
Download the BIOS update specific to your computer and motherboard from the Asus support site (see Resources). If you are using the computer you want to update the BIOS on, use automatic detection on the Asus site to find the correct BIOS, or enter the model name. Download the file to your desktop and unzip its contents to a folder called "BIOS update" or similar. Look in the folder for the ".exe" file and write down its name exactly as you see it.
Insert a floppy disk into your computer's 3.5-inch floppy drive. Open Windows Explorer, right-click on the "A:" drive and choose "Format..." to erase all of the data on the disk. Then copy all of the files from the folder you created in Step 1 to the disk. Shut down your computer.
Turn the computer back on and tap "Alt" and "F2" repeatedly to engage the EZ Flash software built into the BIOS. Wait a few seconds while the program loads -- it displays your BIOS information and detects your hard drive, then looks to the floppy drive for a program to load.
Type "A:\filename.exe," where "filename" is the exact name you wrote down in Step 1. The EZ Flash utility looks for an executable file to load the contents of the BIOS update into memory. If you type the name wrong, don't worry -- the program will say "File not found" and let you try again. Press "Enter" and try typing the name again.
Press "Y" to accept the warning and to continue to update the BIOS. You now have to update two different parts of the BIOS. The EZ Flash program gives you the choices "Update Main BIOS Area" and "Update Boot Block Area." Press "Y" for both and wait while the proper files are copied to your PC. When the process completes, you see a message saying "Press any key to reboot." Eject the floppy disk and press any key. Don't press "Alt" and "F2" this time; just let Windows load normally. Your BIOS update is complete.
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