Question Case fans aren’t spinning but the PC powers on and runs like normal ?

[Itshonk]

I have a fan hub we’re my chassis fans are plugged in, it has a dual sided molex power connected and I connected the male port to my psu and there is no power going to my case fans, my psu is 1000w so it should be more than enough and before I changed my gpu they worked fine.

 

[Colif]

what make/model PSU?

What GPU did you swap? IE, what did you have before and what you have now?

could be PSU isn't supplying enough power to run fans and rest of PC

 

[Itshonk]

what make/model PSU?

What GPU did you swap? IE, what did you have before and what you have now?

could be PSU isn't supplying enough power to run fans and rest of PC

I have a Corsair cx 750 (it’s 750w not 1000)
I swapped from a 1660 super to a 1080

 

[SkyNetRising]

I have a fan hub we’re my chassis fans are plugged in, it has a dual sided molex power connected and I connected the male port to my psu and there is no power going to my case fans

Can you show any photos of, how you have connected everything? - fans, fan hub, PSU.
(upload to imgur.com and post link)

Do your fans spin, if you connect them directly to motherboard?
Fan hub may have died (unless improperly connected).

 

[SorryBella]

Molex fans are the death of me. If you haven't tried it, try plugging and unplugging again and try around on other molex connector on the PSU.