Issue Description
USB-C ports fail to recognize devices or charge inconsistently.
Common Causes
- Power delivery issues
- Faulty cables or hubs
- Firmware glitches
Step-by-Step Solution
Step 1: Test Each Port Individually
- Plug device into each USB-C port directly
Step 2: Inspect Cable and Adapter
- Use Apple-certified USB-C cables
- Avoid cheap hubs
Step 3: Reset Power Management
- Intel Macs: Reset SMC
- Apple Silicon: Shut down → wait 30 seconds → restart
Step 4: Update macOS
- Firmware updates often resolve USB-C issues
Explore Further
- Run Apple Diagnostics
Prevention & Best Practices
Use powered hubs for multiple devices.