Answer to: usb broken, do not recognize anything that is connected.A common issue with the T42 affecting either the display or USB ports is flexing of the motherboard which can take out either component. See the following link: http://forum.thinkpads.com/viewtopic.php... I'm having an intermittent display problem due to this. It may be possible the only solution is re-balling the MB or replacing it. The above link gives all the details. Good Luck!!!