Quick Troubleshooting Guide
If you need quick help, here’s the starting point. I first look at handling a locked-up base station and then give tips for solving common problems, including problems with Personal Hotspot on an iOS device.
Resetting a Locked-up Base Station
If an AirPort Extreme, AirPort Express, or Time Capsule appears neither in the Wi-Fi 
menu as an available network nor in AirPort Utility as an available base station, or AirPort Utility identifies it as missing, try these steps in order:
Check for a Local Connection ...
Get Take Control of Your Apple Wi-Fi Network now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
