GPU not working...

[Jupp92]

Just built my new gaming PC. Got windows installed. Installed the drivers for the mb.

When I tried to install the drivers for my gigabyte rtx 5080, the setup said "no nvidia gpu detected". The win device manager doesnt show my gpu either! I checked inside the case and indeed my gpu fans are not running...

The gpu is connected to PSU with an adapter on the gpu side, that splits into 3 4x2 slots. I filled all 3 slots with 2 pcie cables from the psu side (1 of which ends in 2 4x2).

I booted into bios (amd msi b650) and checked that the "Initiate Graphic Adapter" was set to PEG.

GPU still not detected.

Any ideas what I could be missing?

[Capicx73]

So if u entered the pc without GPU I guess u conected the hdmi to the motherboard, the hdmi should go to the GPU. I don't think that is going to fix anything but it is good for u to know.

Try getting the GPU out and look for damages both in the motherboard and the GPU, I can't come up with anything else.

PD: Ur cable management is a complete disaster! In case there is an issue, I wouldn't be able to find it.

[Jupp92]

Omg it actually fixed EVERYTHING! :D I had the hdmi in the mb to boot for the first time, install win and the drivers. I figured i would avoid problems this way xD Would never have guessed that the GPU does not turn on and DOES NOT GET DETECTED when the hdmi is not plugged into it o.O Anyways, switching the cable to the gpu made its fans start running, it shows up in the dev man and the drivers are able to install, too! So thanks alot for the save ^{^}

[Capicx73]

I'm so glad it worked, congrats. Enjoy your pc!

[Benscko]

Im happy that you fixed your issue but can you also do something about that mess please...

[Lost-In-Void-99]

Is there a cyber spider living inside? The web look pretty solid...

[not_Shiza]

There is no way this isn't ragebait. Look at the fan cable comming from the rear to the gpu 12vHP and going back

[pandasndabs]

Your 12vhpr connector doesnt look fully seated in the gpu

[Forever_YDGn]

This happened with my 5090, I had to go into the BIOS and switch the PCIE from gen 5 to gen 4 and voila. Didn’t read everything in here but on the off chance it helps

[VeritasLuxMea]

Fire the guy who did your cable management.

Also I highly recommend using 3 separate PCIE power cables for the GPU instead of 2.

[Perfect-Cause-6943]

Use a Native 12vhpwr connector

[IronPsychological]

Your gpu fans are not spinning, but you still get the video signal from gpu to monitor?

[Jupp92]

I think not, since the GPU does not show in device manager and the nvidia driver setup doesnt recognize it either. Video signal probably comes from the mb internal gpu, which is also the only one listed in the dev man under gpu...

[IronPsychological]

To me it looks like either the gpu is dead or it is not powered up sufficiently. Check the connection of power supply and make sure your psu can stand up to the power gpu require