Graphics card DOA?

[Executive]

Ok guys so I recently just built my PC, and I noticed that when I tried powering it on with a screwdriver, it wouldn't start. So I tested the PC with just motherboard, RAM, CPU, and the cooler, and it started just fine. So then I started the graphics card (Asus STRIX R9 285) without the 2 6pin connectors, the PC started fine (of course no display) So then I plugged 1 6pin into a slot on the GPU, and it wouldn't start. I plugged it into the other 6pin slot on the GPU, and the PC started fine. I also tried other 6pin cables in the faulty slot, wouldn't power on. Also, my PSU is plenty powerful for my components. So I have a DOA graphics card, do I contact the manufacturer, or the vendor? (NCIXUS)

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[Alyx Vance]

Contact the vendor first

[Mr.Blocko]

Give it to me.

[shitlord]

sounds like the psu is shorting out when its on the gpu, try a different psu and if it wont boot still the gpu is doa

[Executive]

sounds like the psu is shorting out when its on the gpu, try a different psu and if it wont boot still the gpu is doa

I think I have a spare one to try

[Executive]

sounds like the psu is shorting out when its on the gpu, try a different psu and if it wont boot still the gpu is doa

Still won't boot, will contact the vendor as Alyx Vance said. Oh well ...