The "usb selective suspend setting" is enabled, whatever that means.Is the USB set to be asleep until woken up and the mouse dongle just isn't doing it?
Have a look at the settings for the USB's in.... power settings I think?
Well, I finally decided to update from 2004 technology and bought a new "plug and play" mouse. And yet the same problem occurs. Intermittent failures on mouse pointer showing on bootup.