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Then at the end it will reboot the machine.WHEN IT REBOOTS IT TAKES A LITTLE LONGER TO LOAD WINDOWS SCREEN AGAIN.GIVE IT SOMETIME. It will start the process of downgrading the bios. You need to type the following commandĭ:\afuwin64>afuwin圆4 08433.bin /P /B /N /REBOOT

Make sure you are on the directory folder and run the following command lets say that you are inside the D drive and the program is in afuwin64 directory. On windows search bar type cmd right click on the cmd program icon and run as administrator. sig file from HP website Version F.55 and install on the same directory were the Ami Bios flash program is located. You can use the hard drive if you want.Īfter you have all those files. extract the content of that file to a pendrive in a directory or at the root of the pendrive. The program you need is inside the zip at afu/afuwin/64/ here you will find AFUWIN64.ZIP. Inside the zip file there is another zip file inside the zip.

This is what I did: (NOTE:The persons who came with this trick is the one who the deserve the credit not me)ĭownload the AMI Bios Flash utility at ami bios websiteĭownload the Aptio V Ami Firmware Update will be a zip file. "I have the great news that I was able to rollback the faulty F.57 bios to F.55 bios version. This is a copy from my post on how to rollback the bios, remember you may need to use AFUDOS.EXE in lieu of AFUWIN.EXE program: Maybe you have to use the program located in afu\afudos\afudos.zip and use the AFUDOS.EXE with the same commands as afuwin.exe Have you tried to downgrade the Bios to F.55 using the Ami Bios utility but in lieu of running the program from a DOS command prompt inside windows running it from real DOS outside windows?