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 ...

You may notice USB devices may stop functioning correctly when multiple devices connected to the same USB hub go into selective suspend. In this post, we will identify the root cause of the issue, as ...

Locate USB Controllers: In the Device Manager, scroll down and expand the "Universal Serial Bus controllers" category. Access USB Port Properties: Right-click on an entry named "USB Root Hub," ...

Have you ever wondered whether your USB ports are really delivering maximum power? There are several ways to find out. Windows offers you built-in functions to check the performance of your USB ports.

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 ...