Win7 system boot prompts can not identify the network solution

The notebook NIC driver of the author is installed correctly, and there is no problem with the network cable connection. However, sometimes it will be “unrecognized network” when booting. The specific performance is that the [network] icon of the system tray has a yellow exclamation point (as shown below). In the case where this exclamation mark exists, the author's notebook cannot be connected to the network. However, it is not always the case every time it is turned on, and sometimes it is normal. This problem has plagued the author for a few days.

The author tried to plug in the network cable, repair the connection will not work, the problem remains. Later, the author tried to start from the network card driver and finally solved the problem.

Summarize it in one sentence: disable the network card and then re-enable it.

The specific process is as follows:

1. Use the shortcut key Win+Break to open the [System] window, and then click [Device Manager], as shown below

2 Then find the network card corresponding to the network in [Device Manager], as shown below:

3. Double-click the network card, enter the property window, and switch to the [Driver] tab, click [Disable]. As shown below:

4. Next, a dialog box will pop up, click [Yes], as shown below:

5. Next, the reader can find the original [ Disabled] button becomes [Enable], and a [Red] cross appears in the [Network] icon. Click [Enable] to continue to the next step:

Note: I am using a notebook with my own There is a wireless network card, but I did not open the wireless network card.

If you want to use a wireless network, the operation process is the same. Just disable the wireless network card and then re-enable it.

If the reader is using a desktop computer and there is no wireless network card, the [Network] icon here will be different, it does not matter, and this operation has no effect.

6. Subsequently, [Enable] has changed back to [Disabled], and more importantly, the [Network] icon has changed back to normal, as shown below:

Note: If it still doesn't work, please wait patiently for a while, and in many cases you can't see the effect right away.

At this point, you're done! Now I can go online again (as shown below). If you encounter a similar situation later, repeat the above operation.

This method has been tested in XP and is equally valid.

Finally, I hope this article will help my friends who have encountered the same problem.