USB Ports not working



This solution has worked for others.
Unintall the WWAN software (via control panel). You wil need to reboot after the uninstall. There is a known issue with the WWAN software that is causing all ports to fail.

Here is the post, with other possible solutions.
(no guarantees, of course) !
http://social.technet.microsoft.com/Forums/en-US/w7itprohardware/thread/fe217660-a67c-4332-ba72-3fa5220f93bd