To properly diagnose why your device isn’t showing up on your computer, try the following steps:

1. Check if the device is properly connected to the computer.
2. Check if the device is powered on.
3. If you are using a USB cable, try swapping it out for a different one.
4. If you are using a wireless connection, make sure connection between the device and the computer is stable and strong.
5. Makes sure the device’s drivers are installed and up to date.
6. If after all these steps, the device is still not showing up on your computer, refer to the device's manufacturer’s technical support for additional instructions.