


The trick to resolving the wi-fi hardware not installed error is usually two parts you’ll reset the SMC and reset the NVRAM as well on whatever Mac that is displaying the problem message in the wireless menu. The 2 Step Solution: NVRAM & SMC Resetting It can happen on any MacBook, MacBook Pro, Air, iMac, Mac Mini, Mac Pro, and virtually any other hardware, though MacBook users are usually the first to notice it given the propensity for wireless networking usage with Mac laptops. Typically if you experience this problem, you’ll see the ‘Wi-Fi: No hardware installed’ message after waking a Mac from sleep, rebooting the Mac, or sometimes after installing a system software update.
