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.
My latest blog post: An Interesting Time: Where it will go, who really knows, but it's going to be an interesting time. (posted 2025-12-28). Warning: mysqli_connect(): MySQL server has gone away in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
Warning: mysqli_connect(): Error while reading greeting packet. PID=98701 in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
Warning: mysqli_connect(): (HY000/2006): MySQL server has gone away in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 52
Could not connect to MySQL:
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