Reasons for not being able to search for wireless signals after reinstalling Win7 system and countermeasures

Case 1: It is possible that we forgot to upgrade the wireless driver in the computer system when reinstalling the computer system, there is no wireless driver With the support of the program, our computer naturally cannot access the Internet.

Countermeasures: Download a driver wizard, one-click detection, and then install the missing network card driver, or we can directly download the network card driver from the brand's official website, and then install it. .

Case 2: It is possible that our computer has a switch with unlimited network programs. We have not turned this switch on, so the unlimited network cannot be used.

There should be more measures: In general, there is such a shortcut key in the computer, such as FN+XX key, which needs to go to Baidu according to the computer brand.