this post was submitted on 25 Mar 2026
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How do I use my bt/wifi card with this gpu? (lemmy.world)
submitted 4 days ago* (last edited 4 days ago) by Fafa@lemmy.world to c/buildapc@lemmy.world
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My mainboard is an msi b450 Mortar Max. Until recently, I used a pretty small gpu, which left enough space for my network adapter to fit in the pcie 3x4.

I upgraded my gpu this winter, but there was only space in the second pcie 2.0x16, which (probably) doesn't provide enough lanes. That's why wifi stopped working, and bluetooth started to become buggy.

Now I was playing around with the thought of picking up a 2in1 usb dongle, but I heard they aren't that good.

What's would be the best thing to do in this case?

Edit: The network adapter is a Gigabyte GC-WB1733DI

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[–] Wahots@pawb.social 1 points 4 days ago

Hmm. I think your GPU would run in 8x mode, but it should be fine, even sharing lanes with the network card.

I've run cards off mobos with the same number of lanes, and a very similar gigabyte pcie network card, and it ran flawlessly.

I'd check the physical connection, look for damage to the antenna connectors where the wire meets the SMA connector, and try swapping in the old GPU as a control if you still have it. On paper, things should still be fine.