For computers from the early to mid 2010s in particular, the wifi card might be reported as not fitted or working. try these steps.
Reset the SMC Reset the PRAM Remove the file: /etc/sysctl.conf The problem might be wifi/Bluetooth cable, it runs over the disc drive and is prone to failure.
I usually write a blog post about once a week. The latest post can be viewed here: Terrorism vs Genocide: Please don't feel like you need to be ashamed of New Zealand's response. (posted 2025-10-03 at 17:02:25). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2029-09-09 Kiwi Values: From a practical perspective it has too many problems..