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quattro4ever

macrumors member
Original poster
Nov 25, 2019
38
2
Poland
good morning everyone
I have been using MP5.1 for several years with different graphics cards and different operating systems,
Vega64/RX580/RX570/HD7950 MacOS from High Sierra to Monterey,
I recently had the RX570, Monterey thanks to the OCLP, everything worked fine apart from the very poor performance of the RX570,
I decided to install R9 Fury X,
I turned off my computer, swapped cards and restarted my computer,
first surprise: no Boot Picker, only black screen
I could blindly choose between Monterey and Windows 10,
after selecting Windows 10 everything was fine but the image appears only with the login screen,
after logging in everything works as it should,
after choosing Monterey, it's also okay, but no sound via DP / HDMI
ok, I decided to install a fresh version of Mojave, without OpenCore
everything went smoothly but there is still no sound from the video card, what could be the cause of this problem?
 

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