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Soon Upgrading to A Sapphire Pulse Radeon RX 570 4GB - Have A Few Simple Questions


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Had to Get A Used MSI Radeon R9 270X Graphics Card To Be Able to Upgrade to Mojave Back When It Launched. The OS Runs Beautifully Except For The Problems I Talk About Below...


Turns out this card is in the end of its lifespan, sometimes the screen "vibrates", other times I'll see a multi-colored horizontal stripe quickly appear on the screen, and most recently, sometimes the display will show a "TV static"-like artifact.

The problems get worse after several hours of use. Happens on macOS, Windows And Linux -- So Not A Software Problem.


I'm buying a Sapphire Pulse Radeon RX 570 4GB, model number 11266-04-20G.


I have read that RX 500 series cards are natively supported by macOS since version 10.13.4...


- Will I need to reinstall macOS from scratch when I put the new card in?

- Currently the EFI folder has Lilu and WhateverGreen kexts, will I still need these to run the RX 570?



Thanks In Advance :D




My Setup:


Nicknamed The "PowerMac G7" - Using MacPro6,1 SMBIOS -- Found the OS runs better using this one...

- Core i5-7400;

- MSI Radeon R9 270X 2GB Graphics Card (Dying, soon to be replaced.)

- MSI B250M PRO-VH Motherboard;

- 16GB DDR4 2400MHz RAM;

- 240GB Corsair Force LE SSD (Macintosh HD, APFS);

- 3TB Seagate BarraCuda ST3000DM008-2M166 HDD (Arquivos, HFS+);

- 850W 80+ Gold Corsair CS850M PSU;

- Corsair K380 Mid-Tower ATX Case.

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