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Thnx Owen, this one works, except for WiFi everything seems to work.  

Unfortunately the bootpack doesn't work, created installer usb and replaced the dirs an config.plist. Laptop starts booting, see the apple logo and the the parking ban sign en then nothing. Any ideas?

Hi Owen,

This bootpack is perhaps just what I'm looking for, have Catalina running on my Latitude E5570, but issues wit WiFi.
I had a Intel card, but replaced this with a DW1820a that I had in an other Latitude.
Is there a manual I can follow, so I know what to do with the bootpack?

Thnx in advance.
AJ.