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Hardware and Windows Vista Hardware issues in relation to Windows Vista. (microsoft.public.windows.vista.hardware_devices) |
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How to revert a USB 1.1 port to USB 2.0 port.
Dear All,
I need your help. Following are the facts of the case in seriatim, to facilitate in easier understanding of the situation: 1. You see I have Vista OS installed on my PC. 2. My PC has 4 USB ports on the rear-side, which I know for sure are USB 2.0 Hi-Speed Ports. Before facing this issue, I could connect any Hi-Speed USB device to any of these ports and have data transferred at high speed rates, normally. 3. Yesterday, I had attached a cheap Chinese-make USB hub to one of those rear ports. The device installed itself quite normally and messages to the effect that drivers for the same had been installed, were given. 4. Soon after I had removed the USB hub and had my 8GB pendrive attached to the same USB port, I was given a message which stated that "the device could perform better if I had connected to a higher speed port". 5. Despite umpteen number of reboots, shutdowns, uninstalling of USB devices from the Device Manager, etc., all the 4 rear-side USB ports behave as if they are USB 1.1 type ports only. 6. Incidentally, the Device Manager displays that there is an enhanced USB host controller. Please help as to how I could have them revert to their normal USB 2.0 format. Thanks in advance. |