Usb not recognized. I OWNED A TOSHIBA LAPTOP (SATELLITE A-135) MY ENTIRE MACHINE WAS WORKING FINE

Question

I OWNED A TOSHIBA LAPTOP (SATELLITE A-135) MY ENTIRE MACHINE WAS WORKING FINE UNTIL ONE DAY ALL OF THE U-S-B PORTS STOP RECOGNIZING ANYTHING. THIS IS REALLY A BAD SITUATION BECAUSE I NEED THE PORTS FOR MY EVERYDAY WORK. I KNOW THEY ARE NOT BUSTED BECAUSE I CAN STILL PLUG MY CELL PHONE AND CHARGE. WELL I HAVE TRIED TO ERASE THE PORTS FROM THE DEVICE MANAGER AND NOTHING, THE REGISTRY AND NOTHING, FORMATTING AND EVEN THE FAMOUS TURN OFF AND UNPLUG THE ENERGY SORT IN FACT I LEFT IT WITHOUT POWER (WITHOUT THE BATTERY) FOR THREE DAYS AND NOTHING I DON'T KNOW WHAT TO DO PLEASE HELP ME