After the Win7 system is reinstalled, it can not find the wireless signal processing measures.

There will always be such problems during the use of the notebook computer. Sometimes it is necessary to reinstall the system, and other problems may occur after reinstalling. 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.

1. After reinstalling, the wireless network card driver is not installed:
Wireless connection is indispensable to the wireless network card, and the driver is the most important for the wireless network card. If the driver is not installed or installed incorrectly , then it is impossible to use the network.
Workaround:
1, according to the model of your notebook to the official website to download the wireless network card driver belongs to the win7 system and install.
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, so when the wireless can't search, you can try to find the wireless switch to check if it is turned on.
1, a part of the notebook has a physical switch, can be found in the side of the notebook or panel;
2, some notebooks use function keys, such as FN + F several ways to open or close, the top row of functions Key (find the wireless identity).
This problem occurs after the reloading of the notebook is very common, mostly because the driver is not installed or the wireless is not open, the friends you encounter may wish to try the small series.