To fix a phone that won’t connect to a computer, here are some suggestions to try:

1. Make sure your device is powered on and the USB cable connection is secure.
2. Restart your devices and try reconnecting to the computer.
3. Check your device’s USB settings and make sure you’ve enabled file transfer (sometimes referred to as MTP).
4. Check to make sure the right drivers are installed. You can download the proper drivers from the device manufacturer’s website.
5. Try using a different USB cable.
6. If your device still won’t connect, try connecting to a different computer.