Networking25 guides

Wi-Fi, Bluetooth, Ethernet, AirDrop, AirPlay, and VPN problems — anything that goes wrong between your Mac and the network. Many of these guides start with a Terminal command that restarts the relevant daemon (en0, bluetoothd, mDNSResponder).

Networking

mDNS/Bonjour Name Resolution Failing

Your Mac running macOS Tahoe cannot resolve `.local` hostnames (Bonjour/mDNS names) on your network...

System

Tahoe Bluetooth LE Device Disconnects

Bluetooth Low Energy (LE) peripherals, such as smart mice or MIDI controllers, frequently disconnect...

Networking

VPN Connection Drops

Stop your VPN from disconnecting every 5-10 minutes on macOS Tahoe.

Connectivity

Universal Control Side Fix

Fix the cursor appearing on the wrong side of your iPad in Sequoia's Universal Control.

Connectivity

Universal Control Lag

Fix cursor lag and "heavy" mouse movements when using Universal Control with an iPad on Sequoia.

Connectivity

Bluetooth Battery Unknown

Fix "Unknown" battery levels for Magic Mouse and AirPods in the macOS Tahoe menu bar.

Connectivity

Universal Control Drops

Fix frequent disconnects and cursor freezes in Sequoia's Universal Control system.

Connectivity

Universal Control Drop

Fix cursor disconnects and "hit a wall" errors in Sequoia's Universal Control.

Connectivity

Bluetooth Not Available

Fix the "Bluetooth: Not Available" error after waking macOS Tahoe from sleep.

Networking

Private Relay Incompatible

Fix Private Relay "Not Compatible" errors by resetting the Sequoia network stack.

Connectivity

Universal Control Fix

Fix cursor hangs and connection failures between your Mac and iPad or secondary Mac.

Hardware

Bluetooth Mouse Lag

Fix stuttering or jumping cursor movements with Magic Mouse and Bluetooth peripherals.

Connectivity

Sidecar Black Screen

Fix Sidecar timeouts and black screen errors when using your iPad as a second display.

Networking

Private Relay Unavailable

Fix the "Private Relay is unavailable" error on macOS Sequoia and restore your browsing privacy.

Connectivity

AirDrop Not Discoverable

Restore AirDrop visibility and fix failed transfers on macOS Sequoia and Tahoe.

Audio

Bluetooth Audio Lag Fix

Reduce audio delay and sync issues with Bluetooth headphones on macOS.

Connectivity

Universal Control Stuck

Fix mouse cursor hangs when moving between your Mac and iPad.

Networking

Ethernet 'No Internet' Fix

Fix local connection issues when Wi-Fi works but your Ethernet cable fails.

Connectivity

AirPlay Device Not Found

Fix discovery issues for Apple TV and HomePod in the AirPlay menu.

Connectivity

Bluetooth Battery Missing

Fix the missing battery percentage for Magic Mouse and AirPods.

Connectivity

Wi-Fi Drops After Sleep

Fix the annoying "No Internet" bug when waking your Mac from sleep mode on macOS Tahoe.

Networking

SSH "ssh-dss" Error

Can't connect to old routers or servers? Learn how to re-enable legacy SSH protocols on Tahoe.

Connectivity

AirPods Stuttering

Fix Bluetooth audio lag and crackling caused by Tahoe's new high-fidelity handoff system.

Connectivity

Wi-Fi: No Hardware

Fix the "No hardware installed" error and restore your internet connection with these resets.

Connectivity

Bluetooth Not Available

Fix the "Bluetooth: Not Available" error and force restart the hardware module.