The following lines were added (+) and removed (-):
Mouse clicks sometimes aren't registered on a USB mouse, USB printer communication sometimes fails, or it seems that the USB port is sometimes unavailable, at random, even during use. This _can_ sometimes be caused by a power management feature in the USB Root Hub device driver of Windows XP, Vista, and 7. The occasional mouse click not being recognized or registered on a mouse that is verified to be good can be the result of this according to what users have reported.Mouse clicks sometimes aren't registered on a USB mouse, USB printer communication sometimes fails, or it seems that the USB port is sometimes unavailable, at random, even during use. This _can_ sometimes be caused by a power management feature in the USB Root Hub device driver of Windows XP, Vista, and 7. [[File:USB_Root_Hub_PowerSave.png]]The occasional mouse click not being recognized or registered on a mouse that is verified to be good can be the result of this according to what users have reported. The mouse sometimes freezing or the cursor not tracking while you move the mouse is another symptom.