ASUS R9 280X Custom PC Problem

Hawxflight · Sep 3, 2015

FULL SPECS on 3rd comment.
Hey,

I've just bought myself a new PSU in the hope I could run the system(about to list specs below) but after the PSU is installed and I switch it on nothing happens and when I take the cables out of the GPU the system starts when turned on.
I know it could be a low wattage of the PSU but I'd like to see if you guys think it should work.

CPU: AMD Athlon II x4 @ ~3.5Ghz
GPU: ASUS Radeon R9 280X 3Gb
PSU: EVGA Super NOVA 850W Gold

Should it be able to run with this in the system?

Thanks,
Hawx

DeathRabit · Sep 3, 2015

This PSU will be sufficient even for 2x R9 290x.
You need OC CPU a bit to not limit to much GPU.
GPU works on other PSU ?

Barty1884 · Sep 3, 2015

Interesting....

At a glance, everything should be compatible, and the PSU should be more than sufficient.

Can you post your full spec list?

A few points/suggestions:
1. You have put the GPU in PCI-E 3.0 slot?
2. You've attached both the 6pin & 8pin power connectors?

Hawxflight · Sep 3, 2015

Yeah, sorry.

Here's the full spec sheet from what I can remember.
CPU: AMD Athlon II x4 @ ~3.5Ghz
GPU: ASUS Radeon R9 280X 3Gb
PSU: EVGA Super NOVA 850W Gold
Motherboard : fm2-a55m-e33
2x HDD (1x 1TB Western digital Green, 1x 160Gb - ID Unknown)
Not sure of what CPU fan, but it's almost stock .
RAM: Corsair Memory 4gb DDR3 133 Mhz Cas 9

I've heard that PCI-E 3.0 GPUs are backwards compatible with 2.0 ports, which I believe are the only GPU ports on the motherboard - Don't quote me on that though.

If you say it should power it fine, I'm now confused as to why its not starting up when the GPU is attached- It is attached to a 8+6 from the psu with VGA written on it.

DeathRabit · Sep 4, 2015

You plug power from to separate cables to GPU or from one with two plugs ?
You try different VGA socket in PSU ?
Your old GPU was ?
You tested R9 280x on other rig ?
Use multimeter and test power output from PCie Plugs

Hawxflight · Sep 4, 2015

I'll try that.
My old GPU was a GTX 660 (Non-Ti)
Haven't been able to test the R9 in another rig.

DeathRabit · Sep 4, 2015

If this PSU work with other GPU you no need test it

Try ask seller about your GPU problems maybe he not test it before sending and you have faulty.
If you buy in shop try ask about RMA.

Barty1884 · Sep 4, 2015

Yes, PCI-E 3.0 are backwards compatible with 2.0, just wanted to check the set up (obviously 3.0 is preferred, but you don't have the option).

As DeathRabit pointed out:
Ensure you're using the correct PSU cables
Try different configurations of cables (ie 1x2 plugs & 2x1 plug)
Try different sockets on the PSU

Otherwise, I would assume the card is at fault. Probably better to RMA and start again with another one. There's nothing in your system/PSU (provided you try DeathRabit's suggestions) that should stop you computer from POSTing.

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ASUS R9 280X Custom PC Problem

Hawxflight

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Hawxflight

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