
I have a mackintosh that was working well, but my old graphics card (GTX 645) failed. I replaced the card with an AMD RX570 based card by MSI, and I now find that one of my monitors suffers from dreadful hails round everything - it's like the entire screen has been over-sharpened in Photoshop!
Processing img s4cclni4b9y21...
The display looks perfect when I boot the PC into Windows
My kext/Other folder in EFI has
- AppleALC.kext
- CodeCommander.kext
- FakeSMC.kext
- Lilu.kext
- Realtekrtl811.kext
- SmallTreeIntel.kext
- USBInjectAll.kext
- WhateverGreen.kext
- XHCI-200-series-injector.kext
all are - AFAIK - up-to-date
kext/10.14 is empty, and I am running Success' href='/2020/12/install-macos-mojave-on-supported-pc.html'>Mojave.
I have checked accessibility settings, I do not have high contrast set.
Any suggestions as to where I start looking?
Thank you!
PS I posted a version of this post earlier today, but deleted it because I hadn't even gone to the effort of finding out what was in my kext folder. To the two posters who did reply before I deleted it, I apologise!

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