The wireless network card cannot be detected after the laptop is reinstalled on the system

Do you see if there is an exclamation point in Device Management?

If there is a driver that is not installed, you can click the following method:

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If there is no exclamation mark, there is a wireless switch in the notebook, you can find what your notebook model turns on the wireless network switch, and some are button switches, which are different, so let you know at once.

The wireless card also has a hardware switch that controls the opening of the wireless device.

Install the drive that comes with the machine.

Undetectable? Is it not in the hardware manager or is it not showing up in the wireless hypervisor?

For the former, it is recommended to reinstall the NIC driver, and for the latter, turn on the shortcut key of the wireless NIC to start the wireless NIC function.

1.Sometimes the Wi-Fi connection is not absent but not turned off, and the display is as follows:

2.Find "Windows Mobile Center", click the mouse to open, if your wireless network is turned off, then click the "Turn on wireless" button, the wireless network function will be successfully enabled, and the wireless network list can be displayed.

3.Check whether the device driver is normal. Right-click the desktop Computer icon and select Manage from the context menu that appears.

After opening the Computer Management form, locate it in System Tools > Device Manager > Network Adapters, and the driver shows a gray or yellow exclamation point that it is not installed.

To determine the problem that the peripheral (wireless network card) cannot be detected, the first thing to do is to detect the wireless network card to see if it is a problem with the network card itself. In addition, it is to detect the interface of the wireless network card to the host system.

There are basically these two problems, which can be investigated one by one.

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2.Click Device Manager to check whether the NIC driver is normal.

4.After entering, click "Change adapter settings" to check if the wireless network is normal.

If the wireless NIC cannot be detected, check whether the device driver is normal.

1. Right-click the desktop computer icon.

2. Select Manage in the menu and open it.

3. In computer management, you can view the disadvantages in "System Tools - Device Manager - Network Adapter".

4. After opening it in turn, you can see the installed drivers. If the driver displays a gray or yellow exclamation mark, it is an installation exception.

Install the driver wizard with wireless card driver, which contains diagnostics.