Whoa YES I just ran into that yesterday!! Wasted $20,000 taking it off and repurchasing it and it still didnt fix it.

I ALSO got the artifacts I figured it was the spoiler in the 5th dimension or something lol.

What are your specs? Mine for comparison:

GTX 1080 w/ 457.51 nvidia drivers

System Information

  Time of this report: 12/17/2020, 10:06:48
         Machine name:REDACTED
           Machine Id:REDACTED
     Operating System: Windows 10 Pro 64-bit (10.0, Build 19041) (19041.vb_release.191206-1406)
             Language: English (Regional Setting: English)
  System Manufacturer: ASUS
         System Model: All Series
                 BIOS: BIOS Date: 11/11/15 11:55:04 Ver: 28.01 (type: BIOS)
            Processor: Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (8 CPUs), ~3.6GHz
               Memory: 32768MB RAM
  Available OS Memory: 32710MB RAM
            Page File: 17661MB used, 39625MB available
          Windows Dir: C:\WINDOWS
      DirectX Version: DirectX 12
  DX Setup Parameters: Not found
     User DPI Setting: 168 DPI (175 percent)
   System DPI Setting: 96 DPI (100 percent)
      DWM DPI Scaling: Disabled
             Miracast: Available, with HDCP

Microsoft Graphics Hybrid: Not Supported DirectX Database Version: 1.0.8 DxDiag Version: 10.00.19041.0546 64bit Unicode

DxDiag Notes

  Display Tab 1: No problems found.
    Sound Tab 1: No problems found.
    Sound Tab 2: No problems found.
      Input Tab: No problems found.

I would also like to know if anyone has found a solution