Win7 system to open wifi prompts you to lack a wireless network card 3 solutions

When the win7 system computer turns on wifi, it prompts “You are missing a wireless network card. Please choose the following method to enable free WIFI", as shown below:

Solution 1: Make sure the computer is installed with wireless NIC

1. First confirm that the computer has installed the wireless network card, view the method, on the desktop, click on my computer, right-click the pop-up menu, select Manage;

2, enter management After that, click Device Manager, in the Device Manager, find the network adapter, check if the wireless network card driver wireless exists;

3. If it is already installed, please select the wireless network card driver, then right click to pop up Menu, select Uninstall, Uninstall Driver, skip if no wireless card is installed.

Solution 2:

1. In the toolbar on the lower right corner, there will be a wireless connection icon. If you can't access the Internet, you need to do troubleshooting and repair. , click the left mouse button directly on the wireless icon.

2. Right-click on the currently connected network name and select “Status”.

3, select the "diagnostics" inside, this time, the system will automatically detect the fault and start repairing. Beginning to diagnose the fault may last for about a minute.

4, the diagnosis is completed and repaired, there will be such a prompt after success. Basic Internet problems can be solved by the system's own diagnostic tools.

Solution 3:

1. Check if the device driver is normal. Right click on the desktop & computer; icon, and select “ Manage & rdquo; in the context menu that appears. After opening the "Computer Management" form, navigate to “System Tools -> Device Manager -> Network Adapter> to view it. The driver displays a gray or yellow exclamation mark and it is not installed.

2, download the driver wizard or drive life to open the software - detection driver - install the network card driver.

The above is the introduction of the wifi on the notebook win7 system prompts you to find a solution for the lack of a wireless network card. If you have the same problem, you can follow the above method.