- Make a physical check.
- If necessary, make a physical repair to the port.
- Reboot Windows.
- Check the Device Manager, uninstall the USB Host Controller.
- Disable USB Selective Suspend power saving option.
Why is my USB suddenly not working?
The USB device may become unresponsive because of a race condition in the Selective Suspend feature. The Selective Suspend feature suspends the USB device to efficiently maintain battery power by enabling the computer to turn off the USB device. However, sometimes this feature may not correctly wake up the USB device.
Why is my car USB not reading my phone?
If the device isn’t recognized, remove the USB device and then re-insert it. Make sure that your device is set to the required mode before connecting it to the car stereo. Some USB devices need to be in a specific mode (such as a Mass Storage Class or Player mode, etc.) before you can use the USB device for playback.
How do I reset my USB port in my car?
Using the needle or sharp-edged object, pull up the two pins you spot, but do so gently in an upward direction. That should tighten the USB port properly. Often though, an easy solution to fixing USB ports that aren’t functioning properly is to switch off your engine and simply turn it back on.