How to solve the problem that the USB interface of Win7 system does not respond

The USB interface of the computer can not be used, no response is one of the most common problems of the computer, and it is also a problem that most people will have. However, recently users who use the Win7 system said that their computer's USB interface did not respond and could not be used. Inserting a USB flash drive waited for half a day and there was no response. Where did the problem occur? U disk plugged into other computers can be used normally. How do you solve this problem? Let me talk about how to solve the problem that the USB interface of Win7 system does not respond.

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 The 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 have to think that this 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, the original is the application of the PC version of the program, this The program is used by my WP7 mobile phone. It has not been used for a long time. Delete, the warning window no longer appears, and the troubleshooting.

Summary: How to solve the problem that the USB interface of Win7 system does not respond, I will introduce it to you here. Regardless of the program error, don't take it for granted from the name. First open the task manager, look for the program corresponding to the error process, or repair or delete it.