Attempting My First GPU Mining Rig -> "invalid device ordinal"

[betajuice]

I'm trying to setup my first GPU mining rig, but Claymore's Dual Miner is running into the error:

Code:

cudaGetDeviceCount returned error 10
-> invalid device ordinal

and I'm not sure what the problem is (I have been searching).

Specs:

OS: Ubuntu 18.04
Mining Software: Claymore's Dual GPU Miner - v11.9
command: "ethdcrminer64 -epool us1.ethermine.org:4444 -ewal [my_eth_address] -epsw x"

GPUs: (4x) GIGABYTE GeForce GTX 1070 Ti
Mobo: Asrock H110 Pro BTC+
PSU: CORSAIR HXi Series HX1200i 1200W 80 PLUS PLATINUM
CPU: Intel Celeron G3930 Kaby Lake Dual-Core 2.9 GHz
Memory: Patriot Signature Line 8GB (2 x 4GB) 288-Pin DDR4

The GPU's are connected via PCIe risers, and also all powered to the PSU.
I also have the mobo extra molex power plugged in (2x).

Any help is appreciated, thanks

[betajuice]

This has been resolved.

The problem is my GPU's were not fully powered.

[MP_SI]

So is the rig operational now and what will you mine?

[betajuice]

So is the rig operational now and what will you mine?

I've been mining ethereum! Got my electric rate down to 7 cents / kWh and so its even profitable (not by a lot, but still).

I have 4 nvidia cards mining, the 2 amd cards still not configured yet, need to get the drivers installed properly (my guess)