Mac WiFi keeps dropping or disconnecting
Mac WiFi drops are caused by corrupted settings files. Delete the WiFi preference files and reconnect to force your Mac to create fresh ones. This fixes most persistent drop issues.
macOS stores WiFi settings in preference files that become corrupted after updates or power interruptions. This causes repeated disconnections. Deleting these files forces macOS to create fresh ones when you reconnect, which resolves most drop issues.
Risk: Low
⏱ 10-15 minutes
Intermediate
Fix-IT-Bot will walk you through each step — just tap, no typing needed.
Skip — I just want a technicianCommon mistakes to avoid
- Deleting preference files to Trash before confirming the fix works — keep them on Desktop first
- Not restarting after deleting the preference files
Signs you need professional help
- WiFi drops continue after preference file deletion and reconnection
- Mac WiFi hardware appears to have failed
- All Macs on the network are dropping simultaneously
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