I have a Gigabyte RX 480 G1 Gaming 8G. I tried updating the the VBIOS in Windows by running an executable downloaded from Gigabytes website. It said flash successful, asked me if I'd like to restart and I clicked yes. Computer stayed running a little while with a black screen, and eventually I clicked power button and it turned off. After that I can't get any output from the card, and can't even boot into windows unless I remove the power connector from the card (even with iGPU set to on in BIOS).
So I set about trying to unbrick it. I tried using this guide: https://www.techpowerup.com/forums/threads/how-to-use-atiflash.5775s0/
However, I ran into a couple issues. First off, if I try to use the HP USB Format tool they recommend to create a bootable USB, it throws an error and fails. Ok, so I used a tool called Rufus to create a bootable DOS USB, seems to work fine. I then copied ATIFLASH.exe and the .rom file onto the USB and successfully booted from it from within my BIOS. However, when I try to run any commands with ATIFLASH, it just says: "This program cannot be run in DOS mode".
I'm at a loss here, any ideas?
So I set about trying to unbrick it. I tried using this guide: https://www.techpowerup.com/forums/threads/how-to-use-atiflash.5775s0/
However, I ran into a couple issues. First off, if I try to use the HP USB Format tool they recommend to create a bootable USB, it throws an error and fails. Ok, so I used a tool called Rufus to create a bootable DOS USB, seems to work fine. I then copied ATIFLASH.exe and the .rom file onto the USB and successfully booted from it from within my BIOS. However, when I try to run any commands with ATIFLASH, it just says: "This program cannot be run in DOS mode".
I'm at a loss here, any ideas?
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