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 ...

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 ...

That's because the Epox has 3 USB connectors on the motherboard. Even if there is no header attached, they'll still show up if they are enabled in the BIOS. Disable USB connection 2 and 3 in the BIOS, ...

We’ve all run into this one particular issue at one point or another and that is where we have to work with too few USB ports. This is where USB hubs come into play and today I’m taking a closer look ...

Doug Dyment, Computer Access Technology CorpAll peripherals connect to the Universal Serial Bus through hubs. How you design a USB hub depends on the purpose you want it to serve. The Universal Serial ...

A USB hub supplies data and power to downstream USB ports. It also allows the host to manage the power of the devices connected to its downstream ports using software. The distribution and management ...

We may receive a commission on purchases made from links. If you've ever needed extra ports that your laptop manufacturer declined to provide, you'll find yourself shopping for peripherals to add them ...

While I think it’s fair to say that USB devices are generally easier to configure and less prone to problems than their serial- and parallel-based ancestors, problems can still occur. When USB devices ...

Former CNET editor Dong Ngo has been involved with technology since 2000, starting with testing gadgets and writing code for CNET Labs' benchmarks. He managed CNET's San Francisco Labs, reviews 3D ...