When connecting to wifi, it shows that there is no network, which is very safe, and there is a yellow exclamation point in the corner.

The network icon in the taskbar has a yellow warning number, and there will be problems surfing the Internet at this time. Usually disabling and enabling local connection can solve the problem. In order to solve the problem thoroughly, it is necessary to investigate the specific causes of the failure one by one.

Methods/steps

1. When encountering such a problem, first solve the problem of network disconnection, right-click the network logo (wired and wireless are treated equally) → open the network and enjoy the center. Then in the network and * * * Enjoy Center → change the adapter settings. Click on the problematic connection icon with the right mouse button → disable it, and then enable it again to solve the problem.

2. Go to the device manager to check whether the network card is in an energy-saving state.

Call the operation with Win+R and enter devmgmt.msc to open the device manager. Open the network card → Find the network card (wired or wireless) → Properties. Clear the check mark before the power saving function → OK.

Of course, there are many other factors that will lead to this failure, including hardware: network cable, plug, socket and router. Software: bad software, network card driver, etc. It is possible, and even some planned tasks are one of the reasons for the failure, and users need to check them one by one.