Hi @Jake Lo Thanks a lot for the OpenCore packs you posted here and here. I am able to successfully run Big Sur on my Dell Latitude 7480 (i7-7600U, HD620). The display, graphics acceleration, keyboard and trackpad are working along with Wifi, Bluetooth, Audio out. But the internal microphone is not working. I tried using a bluetooth headset and the mic is not working still. I searched and tried some fixes online, but nothing seems to help right now.
To add some more details. I tried connecting my Jabra Headeset via USB port and both the speaker and the microphone are working fine. When I