Yes i have disabled suspend select, sleep mode, ran the solution for device manager, went to manufacturer of computer, and motherboard downloaded drivers, repaired Windows 7, clean installed Windows 7, bought a new hard disk, checked the jumpers. checked the memory and everytthing else Bing can site while searching. My usb worked fine befor install now notta, my computer recognizes the external hard disk, ive checked it on other computers the disk works but no port action or power on this one.