Field notes

Mac Wi-Fi Troubleshooting & Network Analysis Guides

Practical macOS guides for Wi-Fi channels, signal strength, congestion, roaming, DNS, VPN, proxy settings, and network diagnostics.

Sep 15, 2026

How to Check the Wi-Fi Channel on Mac (2.4, 5 & 6 GHz)

Learn how to check your current Wi-Fi channel and band on macOS, inspect nearby networks, and tell when channel congestion may matter.

Sep 15, 2026

Check Wi-Fi signal strength on macOS, understand RSSI, noise and SNR, and compare signal as you move between rooms or access points.

Sep 15, 2026

Not every Mac network analyzer does the same job. Learn when to use WiFi Lens, Wireshark, Nmap, Wireless Diagnostics, or a traffic monitor.

Aug 7, 2026

If web pages stop loading after you disconnect a VPN on your Mac, check for stale HTTP, HTTPS, SOCKS, or PAC proxy settings and test the route.

Jul 26, 2026

Your Mac shows a Wi-Fi connection, yet websites won't load. Walk through DNS, proxy settings, and other common causes step by step.

Jul 18, 2026

Wi-Fi slow in one room or home office? Compare signal strength, coverage and channel congestion on your Mac before replacing your router.