An overloaded USB hub!
External USB hubs that have their own power supplies do not consume power from the computer and most often are called self-powered devices. On the other hand, the computer’s internal USB hub is bus-powered, that is, it consumes the computer’s bus power. One needs to be aware of devices that require a lot of power such as, cameras and should take the necessary precautions to protect both the device and the computer’s motherboard.
From the Device Manager’s USB controllers node you can check the power allocations for a USB hub and find if too many devices are using that hub.
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Categories: Devices, Troubleshooting Tags: Bandwidth tab, device, Hub, Power tab, USB
