Recently, users who use Win7 system found that the USB root hub prompts when the machine is turned on and the bottom right corner of the desktop. Sometimes even the microsoft USB 2.0 host controller simulator is safely removed. If you open the device manager, you will find the Microsoft USB 2.0 host controller simulator as an exclamation point. ? This is how to do it
Solution:
1, reinstall motherboard drivers and USB drive (for sure your motherboard model and system version downloaded from the official website), or use The driver wizard scans if there is no driver hardware and solves it;
2. If the driver does not work or can't solve the problem, you can disable the microsoft USB 2.0 host controller simulator in the device manager;
3, install please install intel RST driver (specific Baidu).
Eliminate the problem by the above method. If you can't solve it, you can only reinstall the system. Of course, if you have more convenient methods, you are welcome to interact with the Xiaobian message.
Xiaobians father and mother are a bit old-fashioned, usually look at things like fonts larger, the I
Copy and paste under Win7 system is estimated to be an operation that Xiaobian need
Everyone has their own secrets, their own privacy, do not want to be seen by others, so I want to en
The specific method is as follows: 2, then open the opportunity to display the computer repair mode
How to open the Win7 system vsd file? How to open vsd file in Win7 system
How to download Microsoft's official Windows7?
How to use the hard disk to install the pure version win7?
What is system service? Smooth running win7 system service optimization
How to solve the shutdown button in Win7 computer is gone
Windows 7 system for disk defragmentation to free up disk space
Win7 system desktop add common program icon operation method
What is Win7 system memory and available memory
How to create a new account in the Win7 system
Win7 system enter the wrong password 3 times lock how to set
Win7 system desktop icon computer and network disappeared how to do
Upgrade Win10 failure prompt 0x80246017 how to do
Using the built-in features of Windows 7 to manage virtual disks
Detailed Windows 7 backup and restore functions
Win10 sets two ways to always display icons in the taskbar
Win10 Mobile 10536.1004 Get started with the evaluation HTML5 score 439/555
How to modify the Win8.1 system network name? How to modify the network name of Win8.1 system
Win8 how to turn on or off the magnifier
Can I decrypt the EFS encrypted file after reinstalling the system?