Handling of Win7 system after reinstalling wireless signal

There will always be such problems during the use of the laptop, sometimes it is so serious that the system needs to be reinstalled, and other problems may occur after reinstallation. A common phenomenon is that we can't search for wireless signals. Let's take the Win7 system as an example to analyze the causes and countermeasures.

First, reloading the wireless network card driver is not installed:

wireless connection natural and ultimately wireless network card, and drive is the most important thing is for the wireless card, if not installed Or if you install an incorrect driver, you can't use the network.

Solution:

1. According to the model of your notebook, go to the official website to download the wireless network card driver belonging to the win7 system and install it.

2. If you can't find it, you can use the software such as "Driver Wizard" to detect and install the driver.

Second, you may have turned off the wireless network card

In the notebook is generally equipped with the function of turning off/on the wireless network reception, so you can try to find the wireless switch when the wireless cannot be searched. Have you opened it?

1. Some notebooks have physical switches that can be found on the side of the notebook or in the panel;

2. Some notebooks use function keys, such as FN+F, to turn them on or off. , the function key in the top row (find the wireless logo).

It is very common to have such problems after reloading the notebook. Most of them are caused by the driver not being installed or the wireless is not turned on. The friends you encounter may wish to try the small series.