Mac Bluetooth Error Code 79 Fix
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Overview
Mac Bluetooth error 79 prevents Bluetooth devices from connecting. Reset the Bluetooth module to fix.
Key Details
- Error: Bluetooth Error 79
- Category: macOS Network/Connectivity Error
- Bluetooth connection fails
- Bluetooth module needs reset
Common Causes
- Bluetooth module firmware glitch
- Too many paired devices
- Corrupted Bluetooth preference files
- macOS update changed Bluetooth settings
Steps
- 1Reset Bluetooth: Shift+Option click Bluetooth icon → Reset Module
- 2Delete Bluetooth prefs: sudo rm /Library/Preferences/com.apple.Bluetooth.plist
- 3Restart your Mac
- 4Re-pair all Bluetooth devices
Tags
macmac-networkmac error 79macosapple
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Frequently Asked Questions
Yes — you will need to re-pair all Bluetooth devices.