电脑提示窗“无法识别的USB设备“,电脑无法识别USB解决方法(国外英文资料).docVIP

电脑提示窗“无法识别的USB设备“,电脑无法识别USB解决方法(国外英文资料) Computer prompt window unrecognized USB device, computer cannot recognize USB solution [solutions]: Scenario 1: 1, click start, right-click My computer, select management, and select the device manager in the pop-up window. 2. Double click the universal serial bus controller project to unload all of the following grey items and USB large capacity storage devices, 3, right click the universal serial bus controller project, pop-up drop-down menu, select scan, check the hardware changes.. 4 unplug the USB device and plug it in again. Is the attempt recognizable?. Scenario two: 1, refer to the above steps to find the universal serial bus controller, open, find the USB Root Hub project, right-click the property open. 2, open the properties window, switch to the power management tab, remove the allow the computer to shut down this device to save power, click the OK button (in turn, each USB Root Hub properties to modify) 3, after the device is complete, restart the computer to try. 4, or if not, you can uninstall USB Root Hub, 5, restart after uninstall. Plug in your USB device and try again. Scenario three: 1, click start, click Run commands in the open box type regedit command, click OK button in the pop-up in the registry editor, according to the path, in order to open. HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E967-E325-11CE-BFC1-08002BE10318} 2, in the right window, delete the UpperFilters and LowerFilters key values, delete, restart the computer and plug in your USB device. [Win7 solutions] [problem description]: The USB device is not recognized [solutions]: Scenario 1: 1, click start, right-click the computer, select management, and select the device manager in the pop-up window. 2. Double click the universal serial bus controller project to unload all of the following grey items and USB large capacity storage devices, 3, right click the universal serial bus controller project, pop-up drop-down menu, select s