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flatpack76

macrumors newbie
Original poster
Aug 27, 2023
10
2
Hello,

I replaced my Nvidia GT120 with a new gigabyte Radeon RX560 but I am having issues. Fans are running and the 5.1 starts normally but I am getting a black screen and my display keeps on saying , no input detected. I have a feeling the card is not mac-firmware . Actually it for sure isn’t.
Is it what might be causing the black screen?
And if so, is there a way to get it flashed?
Thank you very much for your help!

PS:
It’s a 5.1 with dual CPU running OS high sierra.
 

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flatpack76

macrumors newbie
Original poster
Aug 27, 2023
10
2
I have actually sorted it out with the help of a fellow Mac user on this forum. Thank you!
Just trying to install mojave now :)
 
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