Solve the method of Win7 system USB interface does not respond

Recently, some win7 users have reported that the USB flash drive is not reflected. Waiting for a long time is not reflected. The computer does not recognize it at all. The computer interface does not respond. How to solve this problem? Then take a look at the tutorial below.

The specific steps are as follows:

1. First open the device manager and find the corresponding device:

2. According to the method on the network, find the corresponding USB port, it is said that each device corresponds to a string of characters:

3, but how can I remember that name? Still use my soil method, one experiment, unload one by one, which one is unloaded, the red light of the mouse bottom plate is off, that is the corresponding USB interface.

4, if the character is poor, big deal will unload all the USB, it will definitely include the problem. After uninstalling, restart the computer, the computer will automatically re-install all USB drivers, then plug in the mouse, the computer recognizes the installation, get it!

Just a sigh of relief, the screen pops up a warning window: "update· exe has encountered a problem, close the program"

5, this is obviously an automatic update problem, open automatically Update, view settings, no problem. I crossed the warning window and jumped out after a few minutes.

6, the machine search & ldquo; update & middot; exe & rdquo; found that there are three procedures involved, find the location of the program, delete two, and one can not be deleted, is inside the browser, there should be no problem.

After a few minutes, the fault reappears. Baidu Google, various programs, various methods, all kinds of unreliable.

7, finally found a more reliable, open the task manager, looking for:

8, but, there is no "update· exe" process, almost to think of this The method is not reliable. At this time, the error warning appears again, and the corresponding process appears in the process list. Decisive right click to open the corresponding folder:

9. It turns out to be the application PC. There is a problem with the version program. This program is used by my WP7 mobile phone. It has been useless for a long time. Delete, the warning window no longer appears, and the troubleshooting.

The above is how to solve the phenomenon that the USB interface of Win7 system does not respond, more exciting tutorials please pay attention to this!