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Advice on repairing bad GPU bios flash

post #1 of 7
Thread Starter 
So to cut a long story short, I flashed one of my 7970 bios to the GHz edition bios. That went fine, but I didn't find any improvement in overclocking ability so I decided to flash back to the original bios. I tried to flash it back with the bios I saved when I flashed to the GHz bios, but for some reason it didn't work and I can no longer boot from that bios.

I still have one working bios but I'd like to fix the other one so that I always have a back-up. This is what I plan to do.

Step 1. Power off. Flick switch to bad bios. Boot into DOS using my integrated graphics and bootable floppy containing the original bios.

Step 2. In DOS, type 'atiflash -f -p 0 oldbios.bin'.

Step 3. Reboot.

Does that sound about right or am I doing anything wrong here?
post #2 of 7
yes..but you have to command what drive you are going to use to flash with..weather its c d e f g h..u get the point hear is what i use ..but im on the nvidia side..
To flash the BIOS, download the latest version of nvflash here. 1.extract the nvflash files to C:\
2.save the BIOS file to C:\
3.open elevated cmd window (hit start button, type "cmd", right click cmd icon, run as administrator)
4.change directory to C:\ (type " cd C:\ " )
5.OPTIONAL: type " nvflash --protectoff " then hit enter (turns off any error msg that may result from software write protection)
6.BACKUP ORIGINAL BIOS: Type " nvflash -b backup.rom " and a copy of your bios will be saved to the nvflash directory
7.type " nvflash -4 -5 -6 680L_UnlockedBIOS.rom "
8.wait for it to finish
9.reboot
10.OPTIONAL: reinstall drivers
Edited by snitchkilla11 - 11/20/12 at 4:13pm
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post #3 of 7
Quote:
Originally Posted by snitchkilla11 View Post

yes..but you have to command what drive you are going to use to flash with..weather its c d e f g h..u get the point hear is what i use ..but im on the nvidia side..
To flash the BIOS, download the latest version of nvflash here. 1.extract the nvflash files to C:\
2.save the BIOS file to C:\
3.open elevated cmd window (hit start button, type "cmd", right click cmd icon, run as administrator)
4.change directory to C:\ (type " cd C:\ " )
5.OPTIONAL: type " nvflash --protectoff " then hit enter (turns off any error msg that may result from software write protection)
6.BACKUP ORIGINAL BIOS: Type " nvflash -b backup.rom " and a copy of your bios will be saved to the nvflash directory
7.type " nvflash -4 -5 -6 680L_UnlockedBIOS.rom "
8.wait for it to finish
9.reboot
10.OPTIONAL: reinstall drivers
he has a ati not nv card that wont work.

if your card has dual bios boot to dos on it then hit the switch and flash the bricked bios or you could use your onboard video 'atiflash -f -p 0 oldbios.bin' is correct.
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post

he has a ati not nv card that wont work.
if your card has dual bios boot to dos on it then hit the switch and flash the bricked bios or you could use your onboard video 'atiflash -f -p 0 oldbios.bin' is correct.

I've tried the flicking the bios switch in DOS method but that didn't work for some reason. I think I need to try the iGPU method.
post #5 of 7
Quote:
Originally Posted by Bal3Wolf View Post

he has a ati not nv card that wont work.
if your card has dual bios boot to dos on it then hit the switch and flash the bricked bios or you could use your onboard video 'atiflash -f -p 0 oldbios.bin' is correct.


really? thats why i said i was on the nvidia side.but your right i should have said it better
Edited by snitchkilla11 - 11/20/12 at 4:50pm
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post #6 of 7
will flicking the switch right before you flash work? i seen it work for others doing it that way
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post #7 of 7
Thread Starter 
Okay guise. Thanks for your help thus far. I tried flashing using my iGPU but this is what happened:

img01561.jpg
Edited by kissenger - 11/21/12 at 10:34am
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