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Question Need help with a Zotac RTX 3090 PC build

Jun 18, 2021
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Hello guys, a complete noob here in PC building. I bought a Zotac RTX 3090, now my system isn't showing display. I called a technician for helping me with the build, he connected only one 8-pin socket in the GPU to the power supply, the CPU fan is working, the GPU is showing RGB but nothing on the monitor.
Please refer to this image:https://lensdump.com/i/ZEWgY5

So my question is:
  • Are both the 8-pin sockets needed to turn on the GPU?
  • Is it possible that RGB LEDs in the GPU will turn on if only one 8-pin socket is connected?
My system is :
  • Ryzen 5 3600
  • Samsung 980 Pro M.2 PCIe 4.0 NVMe SSD
  • Aorus X570 Pro Wifi mobo
  • Deep Cool 850W SMPS
  • Zotac RTX 3090
  • GSkill RipJaws 32 GB 3200 MHz DDR4 Memory (1x32 GB)
  • Antec NX200 cabinet
 

Darkbreeze

Retired Mod
Not the worst power supply out there, based on what could be a very good CWT platform, but it uses some pretty inferior parts so early failures or premature degradation are definite possibilities with this unit.

https://www.tomshardware.com/reviews/deepcool-gamerstorm-dq-m-v2l-850w-power-supply-review

I'd connect both 6+2 pin PCIe power connectors, with the system off of course, and then retry. Make sure you are using the 6+2 pin PCIe/PEG auxiliary connectors and not trying to use one of the 4+4 EPS connectors, which shouldn't fit anyhow, but I've seen people force all kinds of stuff where it doesn't belong. And from a "tech" who thought just one connector was sufficient, it wouldn't surprise me. Look at the link for "cables" on the product page you linked to for identification if necessary.
 
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