[Adapters-2] What should I do when the adapter is installed in Windows7 system and the driver is not available

This FAQ applies only to network adapters that support Windows 7.

Description of the problem: The computer is windows7 system, after installing the NIC driver, the prompt "failed to install the device driver", as shown in the following figure:

Enter the device manager, check the USB wireless card to make an exclamation mark, as shown below:

Troubleshooting:

1. First check whether the computer has used other USB wireless network cards and installed other wireless network card drivers before. If yes, go to the "Control Panel" - "Programs", uninstall the installed wireless network card driver, and then install the new network card driver to test whether it can be used.

2. Enter the device Manager, right-click the wireless network card marked with exclamation mark, select "Properties", and view the content displayed in the "General" bar.

Situation 1: Displays "Windows cannot initialize the device driver for this hardware." (code 37)"

Cause: This is caused by the lack of patch kb2685811 in Windows7.

Workaround: Install the kb2685811 patch and restart your computer. Please install a patch file that matches your computer's system version. Computer to view the system version method: right click the desktop computer icon, select properties, you can see whether the system is 32-bit or 64-bit)

Method 1: You can go to Microsoft official website to download and install, the link is as follows (x86 is a 32-bit system, x64 is a 64-bit system) :

https://www.catalog.update.microsoft.com/Search.aspx?q=KB2685811

Method 2: Contact Microsoft official customer service to obtain the downloaded patch package.

Situation 2: "Windows cannot verify the digital signature of the driver required for this device."

The solution:

Cause: windows7 lacks the KB3033929 patch.

Workaround: Install the KB3033929 patch and restart your computer. (You need to install a patch that matches your PC's 32-bit or 64-bit system. View method: Right click the desktop computer icon, select properties, you can see whether the system is 32-bit or 64-bit)

Method 1: Go to Microsoft official website to download the KB3033929 patch, the link is as follows:

32-bit (KB3033929 patch x86)

https://www.microsoft.com/zh-CN/download/details.aspx?id=46078

64-bit (KB3033929 patch x64)

https://www.microsoft.com/zh-CN/download/details.aspx?id=46148

Method 2: Contact Microsoft official customer service to obtain the downloaded patch package.