Solve the problem of not being able to access the Internet after reinstalling the win7 system

Analysis of the cause:
1, the network card driver is not installed or not installed;
2, did not create a broadband connection or wireless connection;
Solution:
1, the network card is not installed properly is mainly due to your The computer equipment hardware is too old, the new system does not contain compatible drivers, or your system version comes over, the computer configuration is too new, the total is that there is no adapter network card driver in the system, the common solution is to download "Driver Wizard", these software comes with most network card drivers, so you can successfully install the driver that is missing from the system. After installing the software, you can put the network card driver on the computer and go online.

2. Another solution to not accessing the Internet after reinstalling the system is to log in to the official website of your computer brand with other computers with Internet access, and then download the NIC driver according to your computer model and system digits. The wireless network card driver, then copy it to your computer and install it, you can go online.
3. For the second reason