If your system is not recognizing devices connected through USB ports, you may be experiencing a hardware issue or a driver issue.
First, check to see if the device is properly connected to the USB port. Make sure that the device is securely plugged in and check the cable for any visible signs of damage such as fraying or bent pins.
Next, check the device itself. Make sure that it has current power and is connected properly. Sometimes a device that is not connected correctly will not register properly with the computer. If the device requires a driver or software, make sure that it is installed correctly according to the manufacturer’s instructions.
If the device still isn’t recognized, try reconnecting the device using a different USB port. The port may be damaged or malfunctioning, preventing the device from being recognized.
If a different port doesn’t work, try connecting the device to another computer to see if it can be recognized there. If it is recognized on the other computer, the problem is likely related to your computer’s USB ports.
If the device is recognized on another computer, you can try updating your computer’s USB drivers. To do this, open up your computer’s Device Manager, select the Universal Serial Bus (USB) Controller, right-click on the controller, then select Update Driver Software. Windows may automatically find and install the correct driver. If it doesn’t, you may need to search online for the correct driver, download it, and manually install it.
If the device is still not recognized, the USB port may be physically damaged or malfunctioning. To rule out this possibility, connect the device to an external USB port if your computer has one.
If none of the above solutions work, your computer’s USB ports may have suffered physical or electrical damage. If this is the case, you will likely need to take your computer to a repair shop to have the ports repaired or replaced.