Why do USB charging ports stop working?
Why do USB charging ports stop 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. How do you fix a USB port that won't charge? All you need to do is shut down your device, remove the battery (if possible) and use something small, such as a toothpick, to 'lever up' the little tab inside the USB...