Probably dumb question but here goes (BRICKED 1080 FE) - Overclock.net - An Overclocking Community

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Probably dumb question but here goes (BRICKED 1080 FE)

 
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post #1 of 8 (permalink) Old 11-05-2019, 12:40 PM - Thread Starter
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Probably dumb question but here goes (BRICKED 1080 FE)

Soooo, I was leak testing my computer (I know this thread has poop written all over it) and.... my Nvidia GTX 1080 FE, when plugged in, fails to allow my computer to even post, not even allowing the entire computer to power on. During leak testing, I disconnected the 8-pin power connection on the GPU, so I thought it would be fine. I had a tiny leak that I fixed and a very small trace of water on the GPU that I cleaned off, thinking that all would be fine. To my surprise, the computer would not power with the 8-pin connected... I've tried to reflash the card, but NVFlash tells me that there is no Nvidia GPU detected.

My question, does anyone know if there is any sort of fix for this issue? The leak was as small as a droplet of water that I'd cleaned off, but, again, the GPU seems to be fully busted. I'm desperate at this point to not throw away ~$700 dollars, so I'm willing to try just about anything. Thanks
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post #2 of 8 (permalink) Old 11-08-2019, 07:50 PM
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u leak tested pc while it was powered on?? if yes there is ur mistake, that drop water probably made short circuit somewhere on PCB. who knows what got shorted.
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post #3 of 8 (permalink) Old 11-08-2019, 08:10 PM
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I guess the PC still posts when you remove the card while only using the iGPU or another card!?

As a last shot, I'd take the card apart, use a blow-dryer, leave it naked for a while, put it back together and try again.

I recently lost a card as well do to a leak. The computer will still post and the fan on the card still runs but there is no display output.

I took the card apart, cleaned it and used a blow-dryer but nothing worked. I tried using it as a secondary card in CF and that did not work either.

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post #4 of 8 (permalink) Old 11-08-2019, 08:12 PM
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Quote: Originally Posted by Sm0keydaBear View Post
Soooo, I was leak testing my computer (I know this thread has poop written all over it) and.... my Nvidia GTX 1080 FE, when plugged in, fails to allow my computer to even post, not even allowing the entire computer to power on. During leak testing, I disconnected the 8-pin power connection on the GPU, so I thought it would be fine. I had a tiny leak that I fixed and a very small trace of water on the GPU that I cleaned off, thinking that all would be fine. To my surprise, the computer would not power with the 8-pin connected... I've tried to reflash the card, but NVFlash tells me that there is no Nvidia GPU detected.

My question, does anyone know if there is any sort of fix for this issue? The leak was as small as a droplet of water that I'd cleaned off, but, again, the GPU seems to be fully busted. I'm desperate at this point to not throw away ~$700 dollars, so I'm willing to try just about anything. Thanks

Have a look at this video (and the prior one he references - whereby they pour water on a running GPU)...*may be* you can get the card back to full function with some of these steps. You mentioned you already tried to re-flash (like in the vid), but if you have another NVidia recent-vintage GPU (or can borrow one), mount it in the system as well as the damaged 1080 and use NVflash to update the original 1080. All this of course after using a hair dryer (not too close to the PCB, btw) to get into the nooks of your original 1080. Anyway, good luck with it

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post #5 of 8 (permalink) Old 11-08-2019, 08:14 PM
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Can you show a picture of where the water was on the GPU? The main VRM shouldn't be active when your 8 pins are not plugged in IIRC, but some of the minor rails and monitoring circuits could have still been active running off PCIe slot power. In addition, are you 100% sure nothing else in your system got wet besides the GPU? Do you have error codes with or without the GPU installed?
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post #6 of 8 (permalink) Old 11-09-2019, 11:14 AM - Thread Starter
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Quote: Originally Posted by shellashock View Post
Can you show a picture of where the water was on the GPU? The main VRM shouldn't be active when your 8 pins are not plugged in IIRC, but some of the minor rails and monitoring circuits could have still been active running off PCIe slot power. In addition, are you 100% sure nothing else in your system got wet besides the GPU? Do you have error codes with or without the GPU installed?
The droplet was near the front-end of the PCB, basically right in the middle. It may have gotten onto the other side of the card and I didn't see it, but I cleaned it completely before plugging it in, isopropyl alcohol and all. I imagine that the water possibly vaporized and left traces some of the electrical components, and that's probably why it died. I tried putting a blow dryer to it for a bit, but again, something must have short-circuited and caused it to die. The computer WILL post with the card in the motherboard with no 8-pin connected, however, when the 8-pin is connected, the entire computer will not boot whatsoever.

I'm mostly sure that it was just the GPU that got water as I am actually using this computer with a different GPU installed in it right now. Everything is working as it should be, just that the most expensive component in my computer is dead lol. I am going to try to bake the card as a last-ditch effort to see if I can't MAKE it work.

Here's a pic showing the spot (Don't worry it's isopropyl alcohol).
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Last edited by Sm0keydaBear; 11-09-2019 at 11:33 AM.
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post #7 of 8 (permalink) Old 11-09-2019, 11:58 AM
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Quote: Originally Posted by Sm0keydaBear View Post
The droplet was near the front-end of the PCB, basically right in the middle. It may have gotten onto the other side of the card and I didn't see it, but I cleaned it completely before plugging it in, isopropyl alcohol and all. I imagine that the water possibly vaporized and left traces some of the electrical components, and that's probably why it died. I tried putting a blow dryer to it for a bit, but again, something must have short-circuited and caused it to die. The computer WILL post with the card in the motherboard with no 8-pin connected, however, when the 8-pin is connected, the entire computer will not boot whatsoever.

I'm mostly sure that it was just the GPU that got water as I am actually using this computer with a different GPU installed in it right now. Everything is working as it should be, just that the most expensive component in my computer is dead lol. I am going to try to bake the card as a last-ditch effort to see if I can't MAKE it work.

Here's a pic showing the spot (Don't worry it's isopropyl alcohol).
703 on 0503? Looks like the culprit.

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post #8 of 8 (permalink) Old 11-09-2019, 11:50 PM
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Quote: Originally Posted by Sm0keydaBear View Post
The droplet was near the front-end of the PCB, basically right in the middle. It may have gotten onto the other side of the card and I didn't see it, but I cleaned it completely before plugging it in, isopropyl alcohol and all. I imagine that the water possibly vaporized and left traces some of the electrical components, and that's probably why it died. I tried putting a blow dryer to it for a bit, but again, something must have short-circuited and caused it to die. The computer WILL post with the card in the motherboard with no 8-pin connected, however, when the 8-pin is connected, the entire computer will not boot whatsoever.

I'm mostly sure that it was just the GPU that got water as I am actually using this computer with a different GPU installed in it right now. Everything is working as it should be, just that the most expensive component in my computer is dead lol. I am going to try to bake the card as a last-ditch effort to see if I can't MAKE it work.

Here's a pic showing the spot (Don't worry it's isopropyl alcohol).
If your PCB is this one, it looks like water shorted something in the power monitoring/ auxillary memory rail area. If you have access to a multimeter, I would be probing for resistances according to TiN's rough measurements (you prolly need a milliohm multimeter to measure across the GPU core; everything else should be doable with a bog standard multimeter). I wouldn't be baking anything until you confirm that all the circuitry in this area is fine since malfunctions in the power circuitry will almost guaranteed prevent the card from running even with no damage to the GPU core.

My main concern after you confirmed the voltage rails have resistance values roughly equal to a known working sample's like TiN's would be to check those components I highlighted with a red square. These components more likely then not directly control or power circuitry that makes logic decisions to protect the card or stay within the defined power restrictions. If such a component was damaged and could not power a monitoring IC or was stuck in a non-operating state, the GPU and associated VRMs would be forced to shut down to prevent damage from occurring to the card. I highly recommend you google the part numbers, take resistance measurements and try to find someone with the same PCB willing to compare with you.

Of course, this is just speculation and there is no telling what the actual problem is with the card yet. It may be worth taking your card to a trusted repair shop at this stage to see if they can find a hidden problem that you are not able to. I would also resist trying to power it on again until you are confident that the PCB has not been compromised to limit damage from a potential "short 12V to anything" situation.
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