Win7 Computer connection USB device always prompts installation driver failure how to do?

USB device, which is the external device of our Win7 64-bit flagship download system, this kind of equipment in fact our daily operation is very frequent, such as our U disk, mobile hard disk, external optical drive, as well as printers and so on, these are the USB devices, but also our daily operations more frequent equipment. Generally speaking, we use USB devices in the Win7 flagship computer is very simple, as long as the direct plug in the Win7 flagship computer USB interface, but recently, there is the use of Win7 flagship computer user advice said that their USB devices plugged in after the installation of the driver failure prompts, So how do we solve this problem? The following, small series on the detailed introduction of it!

1. First, we return to the Win7 flagship computer desktop location, and then we find the desktop computer icon and mail click, in the advent of the Slide menu, we choose Device Manager options.

2. In the Device Manager window of the open Win7 flagship computer, we found a USB device with an exclamation mark in the left pane, then right click, choose to update the driver, note that there is no choice for automatic search, to select the location to install, and then in the file select here to modify the address for C: Windowswinsxs.

3. There will be an early warning, that is, you installed unsigned files and so on, we choose to continue to install, waiting to complete on it.