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MSI Gaming Trio 3090 Not Recognised by BIOS

Beamis

Beamis

Beamis

Associate
Joined
7 Nov 2020
Posts
7
Hi guys,

Got my 3090 Gaming Trio delivered yesterday. Trying to install this morning and it's not working. Wondering if some friendly folks here could offer some advice? Bear with me cause I'm not totally plugged in with this kind of stuff.

Been troubleshooting a bit and I think it boils down the fact that the BIOS doesn't recognise anything is plugged into the slot. With my 970 in it recognises something is there, but with the 3090 it doesn't. I've uploaded some pics of this to https://imgur.com/a/1TKozgd along with an image showing that the card is at least getting power as the RGB lights are on.

Have tried in a different PCIe slot and that didn't work. The 970 also works in the same slot that the 3090 does not. I'm connecting it with two 6+2s. Reseated multiple times, it is clicking into the slot fully.

Motherboard: Gigabyte Z490 AORUS Master
CPU: i9-10850K
PSU: CORSAIR 850W RMx
 
Hey Beamis, Have you tried plugging power cables into all 3 8pin power-connectors at the same time? I noticed from your picture that you have only used 2 out of 3.
 
Hi guys - I actually only have two available and the remainder are powering the motherboard.

The photo within the manual only shows two plugged in but I guess this could be a generic picture rather than specific to the 3090?

In that case I guess it's just not being powered properly?
 
With your PSU you should have 4 PCie power cables, you need to plug in another cable to PSU and to the GFX card, it wont work on 2 the power hungry beast :D
 
NjNwISU

https://imgur.com/a/NjNwISU

This is what I have available just now - the two 6+2s and the rest plugged into the board.

Is there any way to adapt the two I have into additional pins? Or will I need to get an extra cable plugged into the PSU?
 
Beamis said:
Okay, cheers.

Many thanks for the help and patience all. Looks like the gaming will have to wait for another day
Click to expand...


With your PSU you should have a bag that has the extra cables inside it, you should really run it on individual cables, not one cable split into 2. so 3 cables from PSU 3 plugs on GFX card, dont use split cables.
 
I have an additional 8 pin that splits into two 6+2s that came with the PSU, which I think I can use. My difficulty is that due to the way this is built I think I may need to dismantle the whole thing to get to the slot on the PSU and plug it in, lol.

Currently trying to get there without doing that but may just have to bite the bullet
 
Beamis said:
I have an additional 8 pin that splits into two 6+2s that came with the PSU, which I think I can use. My difficulty is that due to the way this is built I think I may need to dismantle the whole thing to get to the slot on the PSU and plug it in, lol.

Currently trying to get there without doing that but may just have to bite the bullet
Click to expand...

you need 3 of those cables, and only use 1 plug from each cable to the GFX card, or you will be drawing to much power from 1 cable splitting into 2 GFX card 8 pin plugs. lots of issues using split plugs for power draw.
 
you need 3 of those cables, and only use 1 plug from each cable to the GFX card
Click to expand...

Ah took me a minute, yeah I guess the other cable will be the same as the one I have spare. I'll order a 3rd in that case
 
Beamis said:
Ah took me a minute, yeah I guess the other cable will be the same as the one I have spare. I'll order a 3rd in that case
Click to expand...

You can use 2 cables for temp use, 1 cable on its own the other split, but you should have more cables that came with your PSU unless you purchased a pre built system and they never included the extra cables with it. if useing 1 split cable as a temp thing to get up and running, dont over clock the card untill you get the 3rd cable.
 
Managed to pull it apart and get the additional cable in. Working now.

Thanks guys for all your help!! Will get that 3rd cable ordered and set it up properly when it arrives. :D
 
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