Motherboard Usb ports are capable of hot plug, and they can offer electrical source for peripheral equipments that associate to them. If your motherboard Usb ports are not working properly, the following failures may occur:
One, you can find that the transported gadget and usually set up its driver in Windows 98, but right-click My Computer, plump Properties and choose Hardware bar, click gadget employer to enter the gadget employer dialog box, double-click Sound, video and game controllers to see an extended list, you will find an exclamation mark beside this device. Probably the Usb driver is the culprit, you need to unload your former driver and reinstall a unblemished and compatible one to fix this problem. To unload and reinstall a compatible driver, you can download a very user-friendly software tool named Driver modernize Tool to help you accomplish this process automatically!
Two, your large-capacity transported hard disk doesn't work in these ports, only thumb drive and Mp3 etc can work. The issue is in general due to the voltage provided by the Usb is too low while large-capacity Usb disk requires relatively high voltage. Therefore you need to associate your computer to an external power supply.
Three, you can use your Usb disk in the rear port but not in the front port. Because the front Usb port is related by an extension line, obviously its pressure is much lower than that of the rear one that built-in the motherboard, you can consider adding this front port a detach power equipment.
Motherboard Usb Ports Not Working - Troubleshooting
