Mac WiFi Not Working: Troubleshooting Guide

by Marcus Reed Updated Apr 12, 2026

Fix Mac WiFi issues including won't connect, keeps disconnecting, and slow speeds. Follow these troubleshooting steps to diagnose and fix the problem. For additional help, see Google Android Support.

Figure 1 — Mac WiFi Not Working: Troubleshooting Guide

Quick Fixes to Try First

Restart your router — unplug for 30 seconds and plug back in. This fixes most issues.
Restart your device — toggle WiFi off and on, or restart your phone/computer.
Check cables — ensure all Ethernet and power cables are securely connected.
Check for ISP outages — visit your ISP's status page or call them.

Advanced Troubleshooting

Change DNS server to Google (8.8.8.8) or Cloudflare (1.1.1.1)
Change WiFi channel to reduce interference
Update router firmware for stability fixes
Factory reset as a last resort

Still not working? Check your router's IP and login to the admin panel to review settings.

Video Tutorial

Related Guides

Pro Tip: If only one device has issues, the problem is the device — not the router. Update drivers, reset network settings, or forget and reconnect.

Key Takeaways

Restart your router first — this fixes 80% of issues
Test with Ethernet to determine if the problem is WiFi-specific
Check your DNS settings if websites won't load
Contact your ISP if all devices are affected — it may be their issue

Frequently Asked Questions

Why is my WiFi not working?

The most common causes are router glitches, ISP outages, or WiFi interference. Start by restarting your router.

How do I fix internet connection problems?

Restart your modem and router, check for ISP outages, change DNS servers, and update firmware.

Should I call my ISP?

If the problem persists after trying all steps, contact your ISP. The issue may be on their end.

About Marcus Reed

Marcus is a network technician and tech writer who has configured thousands of routers across major ISPs including Comcast, AT&T, and Spectrum. He brings hands-on expertise to RouterHax's troubleshooting guides and brand-specific setup tutorials. Marcus is passionate about making networking accessible to everyone.