Free Computer Repair Service

Two computers, the system is win7 Ultimate, all are oem, directly installed win7 with CD-ROM, few days ago, i updated the system patch to restart, the USB mouse can not be used, and specific performance is to plug the mouse to all the U port of the two computers, all had no response, the mouse LED light is off, but after test, i make sure the U port and the mouse is normal (U port inserted U disk, Bluetooth adapters, video cameras, can be used, the mouse can be normal used on the office computer ), with the driver wizard to update all the drivers, remove the patch recently installed the problem is still not resolved, I do not know anyone have encountered this problem? Help me how to solve this problem- in addition to reinstall?

Computer Repair Services: Delete the USB mouse driver, and then re-install the driver. If there is an official drive you should install the official drivers, if no, install drive that system comes with.