USB Port Not Working : Solutions

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USB Port Not Working : Solutions


If you have a problem with the USB port(s) of your computer, here are some guidelines that may help you:

Hardware issues

Problem related to the connected device:
  • Check that the connected hardware runs on another computer.
  • Test other equipment on the same USB port



Problem related to USB ports, motherboard, cables:
  • One or more USB ports may stop workin due to a failure of the motherboard (after a power surge...).
  • There may be a wiring problem between the port(s) and the motherboard (faulty or disconnected cable)
  • Try the other USB ports one by one to check if they are properly connected to the motherboard or enabled in the BIOS.
  • If either the front or rear connectors are working, it is probably due to a fault in the connection between the USB ports and motherboard (check the extension cables).


Driver and software issues
  • Check that there is no yellow exclamation mark in the device manager, which means a driver issue, next to the USB ports (re-install the drivers if necessary). 
  •  
  • Uninstalling and reinstalling the USB driver may fix the problem (be careful if you disable the USB ports make sure that you have a PS2 mouse and keyboard to operate your PC).
  • Windows often installs a generic USB controller suitable for most computers, but some motherboards have USB ports that work best with a specific controller.
  • Update the USB drivers by looking on the manufacturer of the motherboard website or else by opening Device Manager and then right click on the extended host controller and select "Update Driver"
  • Some infections can cause problems with USB ports: scan your PC using and online antivirus..etc
  • Restore your computer to an earlier point in time, repairing or reinstalling Windows can address this problem,
  • Check if the ports are enable in the BIOS

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