Fix USB Root Hub via the Power Management settings. Update or reinstall the USB Hub driver. Reset the system BIOS to default. 1] Fix USB Root Hub via the Power Management settings The Power Management ...

The problem might be with your USB device or USB port. To check this, connect the USB device to another USB port and see what happens. You can also connect another USB device to your computer. This ...

I have a 27" iMac and I am confused by the seemingly strange arrangement of root ports. The chipset in the machine has a whopping 14 root ports, but Apple chose to only make use of two root ports. One ...

Still using my trusty old Asus P5Q-E. Under Windows 7 SP1, at least one, and possibly two of the USB ports, when I connect my cell, keep complaining that the device could run faster if I connected it ...