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Latitude E5570: No HDMI output or wifi under Big Sur


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Hi i installed Big Sur on my E5570 and it looks and runs great


but two things are not working and that is HDMI Out and Wifi, i have no idea what i can change?  can someone help on the right path?


Intel Core i5-6300U

Intel HD Graphics 520 1536Mb

Wireless-AC 8260



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