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ATIFlash won't boot before Windows 8.1 64bit (boot sequence skips the DOS files in the USB Drive)

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Hello guys,

PLEASE READ. I think I have done everything right, but I must be missing something...

I need to reflash my HD 6950.

I have created a bootable DOS flash drive by using HP usb tool versions 2.18 and 2.23, entered the location of the win98 boot files, formatted to FAT32, and after formatting, I put Atiflash.exe and a BIOS file (.rom) in the usb drive.

When I reboot I should go to a DOS screen after POST, right?

But even if I force the USB drive as the first boot device, the computer will go straight to Windows 8 startup animation.

Does it simply not work with windows 8.1 or am I missing something?

EDIT: The usb drive is a 16gb one... could it be the problem? It's formatted to FAT32 anyway...
 
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First: F..ck Windows 8/8.1.
Second: Use smaller pendrive (like a 4GB will be okay).
Trird: Disconnect hard drive while booting DOS from pendrive.

Thanks! I will try that!

Be right back :)
 

Solaris17

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UEFI

UEFI USB BOOT

Disable secure boot disable UEFI boot enable legacy mode change boot order.
 
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Thanks guys :)

The method of disconnecting the HDD worked, and the USB drive booted up right away!
 

Solaris17

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Thanks guys :)

The method of disconnecting the HDD worked, and the USB drive booted up right away!
Thanks for letting us know! the answers help other people browsing!
 
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Thanks guys :)

The method of disconnecting the HDD worked, and the USB drive booted up right away!

You probably are dealing with fast startup with Win 8. Next time hold down the shift key and press restart. From here you can choose turn of the pc and it will fully shut down.
 
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