Troubleshooting Device Connection Issues

**Device not detected:** 1. Check USB cable connections to hub 2. Verify USB debugging enabled on device 3. Restart batch control software 4. Try different USB port on control PC 5. Re-authorize USB debugging if authorization lost (may need temporary screen for motherboard boxes) **Intermittent disconnections:** - Replace worn USB cables - Check USB hub power supply - Reduce USB extension cable length - Update batch control software Contact support with device count and error screenshots for remote assistance.