Why is my laptop not recognizing a USB device after plugging it in?

1. Check that the USB port is enabled in the BIOS.
2. Test the USB device on a different computer.
3. Unplug all other USB devices from the computer.
4. Uninstall the USB device from the Windows Device Manager.
5. Ensure that you have installed all updated USB device drivers.
6. Troubleshoot Power Management issues.
7. On Windows computers, reset the power configuration to the defaults.