Satellite L750 will not register external devices

About a few days ago my wireless mouse, a Logitech M325, stopped working. I replaced the batteries and performed tests with official software and determined that the USB port was not being read. Soon after I noticed that my iPod would not sync or charge and would not open in Windows Explorer (I use Windows 7).
Additionally none of my SD Cards will be read on my computer.
Please help, this is very frustrating and I'd like it to be fixed ASAP!

You could try to reinstall the USB hubs and controllers which are available in device manager.
Disconnect all external USB devices firstly. Then go to control panel -> device manager.
Here scroll down and find the USB hubs and controllers.
Delete each USB device and reboot the system.
After new reboot, it will take some time until windows system has recognized and installed the USB ports again.
Then you should connect an USB mouse and should test the port functionality.
Even if your wireless mouse would not work again, I strongly recommend to test the USB ports in connection with different USB devices like USB flash memory stick or different USB mouse
Just because one USB device does not work, this does not mean that your USB ports are faulty.

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