Wongsinsanity
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Tuesday, September 13, 2022 10:02 PM
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Spec: CPU: 12900K i9 Intel GPU: EVGA GeForce RTX 3090 Ti FTW3 ULTRA GAMING PSU: EVGA Supernova 1200 MOBO: ASUS ROG z690 Extreme I have two separate water loops so I have two G5 pumps in the system. This is the first time I build a custom water cooled system. Cutting, bending tubes plugged in everything, filled the water loop started the PC and ofc something is going to go bad - GPU cannot be detected from the bios. I've tried 1. seat it better by adding Thermaltake TT Premium PCI-E 4.0 to the first GPU slot and connect it to the GPU 1. I have a 1650W PSU coming but I doubt it's a power issue. I'm just trying to understand why there are two lights on the GPU and why the GPU cannot be detected from the BIOS. Update: I put my previous 2070 into my new PC and it worked so it's not MOBO issue. Update: I sent it in for RMA and the card returned worked with the watercooling block and the build works. But There is a light panel on the GPU that I cannot seem to control, does anyone know how to control it? 
post edited by Wongsinsanity - Tuesday, October 11, 2022 7:49 AM
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kraade
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Tuesday, September 13, 2022 11:05 PM
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Wongsinsanity
Spec:
CPU: 12900K i9 Intel
GPU: EVGA GeForce RTX 3090 Ti FTW3 ULTRA GAMING
PSU: EVGA Supernova 1200
MOBO: ASUS ROG z690 Extreme
I have two separate water loops so I have two G5 pumps in the system.
This is the first time I build a custom water cooled system. Cutting, bending tubes plugged in everything, filled the water loop started the PC and ofc something is going to go bad - GPU cannot be detected from the bios.
I've tried
1. seat it better by adding Thermaltake TT Premium PCI-E 4.0 to the first GPU slot and connect it to the GPU
1. I have a 1650W PSU coming but I doubt it's a power issue.
I'm just trying to understand why there are two lights on the GPU and why the GPU cannot be detected from the BIOS.
Update:
I put my previous 2070 into my new PC and it worked so it's not MOBO issue.
RLOD = red light of death, probably popped a fuse (or 2) in the power section
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rjbarker
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Tuesday, September 13, 2022 11:33 PM
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Assuming you tested the Card on air prior to installing block ? Or was the card installed stock into your duel loop system.
I9 12900K EK Velocity2 / ROG Z690 Apex/ 32G Dominator DDR5 6000/ Evga RTX 3080Ti FTW3 EK Vector / 980 Pro 512G / 980 Pro 1TB/ Samsung 860 Pro 500G/ WD 4TB Red / AX 1600i / Corsair 900D & XSPC 480 * 360 * 240 Rads XSPC Photon 170 Rez-Vario Pump Combo - Alienware 3440*1440p 120Hz/ W11
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badboy64
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 0:22 PM
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Maybe shorted it out by over tightening the waterblock on the card.
14th Intel® Core™ i9 13900KS CPU 3.2GHz@6.0ghz, Memory 2x24GB GSkill Trident Z Trident Z5 7200 mhz DDR5 Ram,4,000 GB MSI M480 PRO 4TB , Motherboard eVga 690 Dark , Operating System Windows 11 Pro 64-Bit, Msi Suprim X24G 4090, Monitor Acer CG437K, Logitech G910, Razer Lancehead Tournament Edition, Thermaltake View 91 RGB plus, eVga 1600w P2 PSU, Custom watercooling.   Speed Way Score 11,144 points. http://www.3dmark.com/sw/1540960
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ty_ger07
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 0:54 PM
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The LEDs mean that it isn't getting power, or it has a firmware issue. If it isn't getting power, it could be a cable issue, or something on the card fried.
ASRock Z77 • Intel Core i7 3770K • EVGA GTX 1080 • Samsung 850 Pro • Seasonic PRIME 600W Titanium
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the_Scarlet_one
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 1:03 AM
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Make sure the solid 8 pin side of your PCI cable is on your PSU, and the 6+2 split cables are connected to the adapter for the GPU, whether it is the pig tail or the powerlink. If your pci cable is reversed, it has caused red lights. Start simple and work out from there.
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 6:44 AM
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rjbarker
Assuming you tested the Card on air prior to installing block ? Or was the card installed stock into your duel loop system.
Is there a way I can confirm that?
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 6:46 AM
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rjbarker
Assuming you tested the Card on air prior to installing block ? Or was the card installed stock into your duel loop system.
You’ve got a good point, I probably really should’ve tested on air. But I was too excited when I received the water block and totally forgot…
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 6:49 AM
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the_Scarlet_one
Make sure the solid 8 pin side of your PCI cable is on your PSU, and the 6+2 split cables are connected to the adapter for the GPU, whether it is the pig tail or the powerlink. If your pci cable is reversed, it has caused red lights. Start simple and work out from there.
I don’t think I’ve over tightened anything on the Gpu because I have a 0.6N screw driver that prevents me to do so…
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 6:51 AM
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the_Scarlet_one
Make sure the solid 8 pin side of your PCI cable is on your PSU, and the 6+2 split cables are connected to the adapter for the GPU, whether it is the pig tail or the powerlink. If your pci cable is reversed, it has caused red lights. Start simple and work out from there.
All three cables are independent 8 pin VGA cables on both end from the evga PSU package, should I change it to the 6+2 split cables?
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 6:54 AM
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ty_ger07
The LEDs mean that it isn't getting power, or it has a firmware issue. If it isn't getting power, it could be a cable issue, or something on the card fried.
Does the card get fried silently? Would there be any signs that I fried the board other than the two red lights on the board?
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the_Scarlet_one
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 11:23 AM
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Wongsinsanity
the_Scarlet_one
Make sure the solid 8 pin side of your PCI cable is on your PSU, and the 6+2 split cables are connected to the adapter for the GPU, whether it is the pig tail or the powerlink. If your pci cable is reversed, it has caused red lights. Start simple and work out from there.
All three cables are independent 8 pin VGA cables on both end from the evga PSU package, should I change it to the 6+2 split cables?
PCIe cables have one solid 8 pin for the PSU side, and a 6+2 for the GPU side. Are you using the stock cables? This cable may not be exact same as yours, but the connectors are, blue circles cable needs to go to power supply, red circles to GPU. It will install reversed, but will give an error that power isn’t being supplied. 
post edited by the_Scarlet_one - Wednesday, September 14, 2022 11:31 AM
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Wongsinsanity
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 11:36 AM
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the_Scarlet_one
Wongsinsanity
the_Scarlet_one
Make sure the solid 8 pin side of your PCI cable is on your PSU, and the 6+2 split cables are connected to the adapter for the GPU, whether it is the pig tail or the powerlink. If your pci cable is reversed, it has caused red lights. Start simple and work out from there.
All three cables are independent 8 pin VGA cables on both end from the evga PSU package, should I change it to the 6+2 split cables?
PCIe cables have one solid 8 pin for the PSU side, and a 6+2 for the GPU side. Are you using the stock cables?
This cable may not be exact same as yours, but the connectors are, blue circles cable needs to go to power supply, red circles to GPU. It will install reversed, but will give an error that power isn’t being supplied.
I double checked, my cables are indeed like yours shown above and they are being plugged in correctly as you described.
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the_Scarlet_one
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Re: 3090 ti not found in BIOS, two red lights on GPU. Any help is desperately needed
Wednesday, September 14, 2022 11:41 AM
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Next step would be to try removing the water lock and reinstalling the air cooler to test the card and make sure there is no short on the card.
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