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BIOSfilename.EXE: The Flash Memory Writer utility is included in the WinZip format of BIOS file. It updates the BIOS by uploading a new BIOS file to the programmable flash ROM chip on the motherboard.

1. Create a bootable system USB pen drive.
2. Download an updated ASRockRack BIOS file (WinZip format with .zip file extension) from the web site, unzip the BIOS file and save all files to the drive you created in step 1.
3. Boot from the disk you created in step 2.
4. At the "C:\" prompt, type BIOSfile.exe, then press [Enter]. For example: C:\2D16C4~1.exe
   
   
5. When see below massage, please press any key to continue.
   
   
6. System will auto restart, and update BIOS. Please DO NOT power off during BIOS update.
   
   
7. After update success, it will pop up below massage. Please press Enter to reboot system.
   
   
8. After system restart, press [F2] or [Del] to enter the BIOS setup utility during boot up to check BIOS version.
   
   
9. In Exit menu, please select "Load Default Settings" and press [Enter] to continue.
10. Select "Exit Saving Changes" and press ]Enter] to exit the BIOS setup utility.
11. Now, system is booting up with new BIOS.

If you encounter problems while updating the new BIOS, DO NOT turn off your system since this corrupt BIOS might cause your system failed to boot up. Just repeat the process, and if the problem still persists, update the original BIOS file. If the Flash Memory Writer utility was not able to successfully update a complete BIOS file, your system may not be able to boot up. If this happens, your system will need service.