How to Fix Universal Control Not Connecting in macOS Tahoe 26.2
Is your mouse or keyboard failing to move between your Mac and iPad?
Follow Fix 1: The Connectivity Optimization — full Terminal commands and step-by-step instructions below. Verified on macOS Tahoe 26.2.
Recommended Troubleshooting Tool
Before proceeding with manual fixes, we recommend using OnyX. The preferred tool for deep system maintenance and resetting the macOS Bluetooth stack.
The Symptom
The cursor stops at the edge of the screen and won't "push through" to the other device, even though both are side-by-side.
The Fix
- The Proximity Reset
Ensure both devices are within 3 feet (1 meter) of each other. Toggle Bluetooth and Wi-Fi OFF and then ON on both devices.
- Check Display Arrangement
Go to System Settings > Displays > Arrange. Ensure the iPad is positioned correctly relative to your Mac's screen.
- Reset the Handoff Daemon
Terminal:
killall sharingd
Fix 3: The Connectivity Optimization
When old pairing records interfere with the Universal Control handshake.
Recommended Tool: CleanMyMac X
- Maintenance Module: Flush the DNS cache and reset the network stack to ensure the local peer-to-peer discovery is functioning correctly.
- Optimization: Identify background network tools (like VPNs) that might be blocking the local ports required for Universal Control.