What to do if win7 computer fails to recognize usb device win7 cannot recognize usb device solution

Why doesn’t my computer recognize the USB device? Recently, many people have encountered the problem that the computer cannot recognize any USB devices after reinstalling Windows 7 system. When a USB device is plugged in, the device cannot be used. This is a frustrating question that leaves many people overwhelmed. Don't worry, PHP editor Xinyi has compiled two simple solutions for you. Please continue reading the following steps to solve the problem of USB devices not being recognized.

Solution to win7 not recognizing usb device

Method 1

1. When the mouse and keyboard cannot be used after win7 is installed, first restart the computer and press the shutdown button to shut down normally.

2. Then turn on the computer and press the F8 key to enter the advanced startup options, find the "Safe Mode with Networking" option and enter.

3. After entering safe mode, the mouse and keyboard are generally available. At this time, you only need to update the USB driver. Download and install 360 Driver Master and then check and update the USB driver. After the completion, restart to normal mode and the mouse and keyboard can be used.

Method 2

1. First change the keyboard and mouse to the ps/2 interface, so that you can continue the next operation.

2. Click to download the usb3.0 universal driver installation package, unzip the downloaded compressed package, and click the setup.exe file until you enter the installation interface.

3. Click Install and wait patiently for the installation progress bar to complete, then you can replace the USB keyboard and mouse.

The above is the detailed content of What to do if win7 computer fails to recognize usb device win7 cannot recognize usb device solution. For more information, please follow other related articles on the PHP Chinese website!