What should I do if I can't connect to the Internet after reinstalling win7 system?

Cause analysis:

It may be that the driver is not installed or is damaged.

As shown in the figure:

Note: Before reinstalling the system, you must back up the drivers, including network card drivers and graphics card drivers.

Solution:

First turn on the computer, find the system properties on the page, findDevice Manageron the left, click to open it.

On the Device Manager page, find the network adapter and open the drop-down menu to see if there is a yellow exclamation mark on Ethernet. I'm in a repaired state here.

If so, it is a problem with the driver. Either the driver is not installed or it is damaged, so just reinstall the driver.

Recommended tutorial:windows tutorial

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