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Completely Stumped - Need 780 BIOS / NVflash Expert please!

post #1 of 19
Thread Starter 
I will try to provide as much information as I possibly can to assist with the trouble shooting.

Some facts:
EVGA has RMA'd the card for me even though they know the BIOS was borked, and sent me a replacement, Unfortunately, the replacement is a DUD overclocker and shows signs of being used, SO... I would like to fix my busted card and send back their "replacement"

The card:
EVGA GTX780 SC (Reference Cooler)

The order of events:
1. I DO in fact have a backup BIOS of the bricked Card.
2. The BIOS I flashed was the Skynet-3A-941 Non boosting BIOS (reference bios, and works fine on my other 780, going SLI)
3. Upon flashing and rebooting, Windows boots, PC posts, but no image displayed
4. Booting to iGPU and using NVFlash --list shows No Nvidia Display Adapters Found
5. EZFlash shows No Nvidia Display Adapaters Found
6. NVFlash on Win 98 USB Boot Stick shows (you guessed it) No Nvidia Display Adapters Found
7. No 780 shown in Device Manager

Things I tried:
1. Blind Flash Method
2. Tried EZFlash and Nvflash in both Win and DOS environments, display adapter never detected
3. Tried using my good 780 to start the flash process, at the confirmation prompt switching the GPUs and then hit "Y" however it then says that the EEPROM is Protected, I assume thats because at this point the EEPROM isnt visible anymore.
4. Tried on 2 different machines to rule out PCIE or Driver issues

IS THIS CARD 100% BORKED?? Or does someone out there know a method (other than grounding the EEPROM) to make this come back to life??

When the system is booted with card installed, the fan runs normally and the GEFORCE GTX logo illuminates, so there seems to be SOME life in it....
post #2 of 19
Thread Starter 
Anyone have an suggestions?
post #3 of 19
Quote:
Originally Posted by JLangevin View Post

Anyone have an suggestions?

try to look for the card under device manager :

if the faulty card is not there than it's dead ... and very hard to fix
because some bios files will send the wong signal and thnings can go wrong


if yoy have the card under unknown device or video controller you will still have a chance to get it back to life

some cards with the wrong bios will be set to disabled if bios is bad make sure you enable that card ,' although that wont effect the BIOS flashing tool ...


try the Gen 2 Pcie and Gen 3

try to boot both IGPU and the GTX 780 under multi monitor and flash it with USB


let me know what did you try and what you did not ...
i had a bad flash with Gtx770 msi gaming to lightning the card was video controller but EZFlash did detect the card

Good Luck smile.gif

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post #4 of 19
Thread Starter 
The card does not show under device manager in either Display Adapters or Unknown.

I have tried USB booting, iGPU as well as all 3 of my PCIe slots.
post #5 of 19
Quote:
Originally Posted by JLangevin View Post

The card does not show under device manager in either Display Adapters or Unknown.

I have tried USB booting, iGPU as well as all 3 of my PCIe slots.
rma the video card dude it's hopeless

you can change the bios chip but you will lose the warranty and you can't be sure that will work

a false bios can lead to buring some resistors or pcb interconnect ...
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by HitMe View Post

rma the video card dude it's hopeless

you can change the bios chip but you will lose the warranty and you can't be sure that will work

a false bios can lead to buring some resistors or pcb interconnect ...

Thats what I was afraid of. I have the RMA, I was just hoping for a last ditch effort of saving the card. Its kind of odd, shouldnt the "Skyn3t-780-3A-941" bios have been compatible with the EVGA 780 Reference SC card? I think I should turn my attention to figuring out what went wrong, especially since the same bios worked on my other 780.
post #7 of 19
Quote:
Originally Posted by JLangevin View Post

Thats what I was afraid of. I have the RMA, I was just hoping for a last ditch effort of saving the card. Its kind of odd, shouldnt the "Skyn3t-780-3A-941" bios have been compatible with the EVGA 780 Reference SC card? I think I should turn my attention to figuring out what went wrong, especially since the same bios worked on my other 780.
i had an asrock z77 extreme4
i did flash the bios to run ivy bridge 3770k
all went ok , but i did reset bios with that crappy button ... the MB is dead i had to replace it with z77 fatal1ty performance ...
i did flashed my GTX 770 and instead of pressing restart window i did put the computer to sleep ... all went worng ... but i did manage to reflash the cards .. .

the cause could be unknown ....
to have a good RMA

Try to tell the EVGA support to send you a new bios for your 780
and say that your bios is B1 revision.
they will send you a new bios
you wont flash it or anything , you will just recall then and tell them you card is dead because of that bios they gave you redface.gif
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by HitMe View Post

i had an asrock z77 extreme4
i did flash the bios to run ivy bridge 3770k
all went ok , but i did reset bios with that crappy button ... the MB is dead i had to replace it with z77 fatal1ty performance ...
i did flashed my GTX 770 and instead of pressing restart window i did put the computer to sleep ... all went worng ... but i did manage to reflash the cards .. .

the cause could be unknown ....
to have a good RMA

Try to tell the EVGA support to send you a new bios for your 780
and say that your bios is B1 revision.
they will send you a new bios
you wont flash it or anything , you will just recall then and tell them you card is dead because of that bios they gave you redface.gif

Well they already RMAd the card even though I told them I broke the BIOS. I am a Tech Reviewer on YouTube so I have good internal connections with EVGA, I was trying to recover the card for the learning experience, but I will accept the fact that sometimes we just break things beyond repair. I was trying to fix it before returning the broken card, the new one is already installed.

http://gyazo.com/65eac400572c72499f646e0ea31eb698
post #9 of 19
The label/original bios on the card is 80.10.3A.XX.XX or 80.80.21.XX.XX ?

80.10.3A.XX.XX = A1
80.80.21.XX.XX = B1
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post #10 of 19
Thread Starter 
Quote:
Originally Posted by UZ7 View Post

The label/original bios on the card is 80.10.3A.XX.XX or 80.80.21.XX.XX ?

80.10.3A.XX.XX = A1
80.80.21.XX.XX = B1

The BIOS label - 80.10.37.00.05
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