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

Problem: USB device cannot be recognized by Win7 system? Many users have encountered the problem of USB devices not being recognized after reinstalling Win7 systems. This may cause the external device to not function properly, which is annoying. In this article, PHP editor Zimo provides you with two simple and effective solutions. Read on for detailed steps below to learn how to fix this issue quickly.

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, decompress 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.

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