[SOLVED] Brand new RX 590 doesn't display anything

Solution
The PSU you use is not one of the best out there. The CX series are a bit lower than what a gaming rig should have.
If it's possible try a different PSU (preferably better quality) to see if the problem remains.
Sep 23, 2019
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The PSU is a Corsair CX 550
It was installed on a fresh Windows 10 64bit install
The "static" messages on dxdiag appeared after installing the drivers, before it said something like "generic AMD graphics card" but wouldn't show anything on my monitor if the HDMI cable was connected to it.
I used the same cables that I'm using and work on my friend's old card