Grey box and a mouse cursor after a fresh install

Hardware:

  • CPU: Intel Core i7 6700K (Skylake)
  • GPU: ASUS ROG-STRIX-RX580-T8G-GAM 8 GB
  • RAM: Ballistix 16 GB Kit (8 GB x 2) DDR4 2400
  • Motherboard model: Gigabyte Z170X-UD5 TH
  • Audio Codec: n/a (I'll use a USB Tascam device, but it's not plugged in yet)
  • Ethernet Card: (on board, Intel)
  • Wifi/BT Card: n/a (I have them, but I've removed them for now)

What guide/tool followed: Vanilla Guide(Intel CPU)

What part I got an issue with:

  • I don't see verbose mode being honored when booting the USB stick despite that being enabled in config.plist.
  • I am able to start the install using the USB I have created. screenshot
  • After this it reboots several times, and very very very slowly progresses through the progress bar, this can take ages, well over an hour. During this I see these magenta lines which I've read happens with some Radeon cards, but I get the impression that I don't need to worry about this. screenshot
  • Finally it boots to this. I would expect to be on the screens to setup the mac, select timezon, create account, sign into iCloud, etc. I can move the cursor, but that's it. Without verbose mode how do I debug this? screenshot
  • Successive reboots take just over 15mins to get to the grey screen.

What files/config I am using:

Extra Info:

I've been running Sierra on this setup with an Nvidia card for ~3 years (using multibeast, I think). I know that card won't work on Mojave so that's why I've replaced it with the RX580 after digging through this sub-reddit looking for recommendations.

submitted by /u/blues_junior
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