No WiFi or ethernet connection in Ventura using OCLP 1.2.1

I've upgraded my mid-2010 iMac from High Sierra to Ventura using OCLP 1.2.1 and it appears to be working fine in general. The computer had been upgraded to 12GB RAM and it runs smoothly. But unfortunately WiFi and ethernet are not getting any internet connections.

I've used OCLP to do the Post-Install patching (after I installed KDK 13.6.5) and the install log appeared to show WiFi installing correctly. But it hasn't made any difference. No WiFi networks are found and plugging in internet from an ethernet cable shows no sign of having any effect either.

After the Post-Install patching I also tried plugging in a more recent USB WiFi dongle, and I've tried manually entering the WiFi connection details. Once again, they made no difference.

Any suggestions what I can try next?

submitted by /u/lancelongstiff
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