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RTL8215 2,5Gb internet contoller doesn't work

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Hey Everyone!

I have Gigabyte Aorus B550 elite REV.1 motherboard and have onboard Realtek 2,5 Gb's Ethernet Controller. I installed Catalina 10.15.7 with opencore. All works fine except internet. I see this device in system report and in Networks, I have "Cable not connected" status there. I tried different solutions and nothing. I even found original driver for UEFI from supplier, added it to drivers folder in opencore. Also, I tried to use a different cable. Nothing helped me and I would be happy to any help.

Thanks everyone! 

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If possible, you should be downloaded the drivers from the manufacturer's website or from the developer's site, as there may still be pre-versions on other sites that may not run so smoothly.


read more here:


current download page from Mieze is here:


Edited by Hervé
Removed duplicated contents
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Then you should contact Mieze, click here.

There you can describe him her the problem with the driver, he she will surely help you further.

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