What should I do if a red cross is displayed in the lower right corner of the computer taskbar and I cannot access the Internet?

1. Click the "Start" button in the lower left corner, open the 'Start' menu, and enter "cmd" in the search box, as shown in the figure:

2. In the search results, right-click "cmd" and select "Run as administrator", as shown in the figure:

3. In the command prompt, enter "sfc/scannow", press Enter to execute, and let the system check and repair the damaged files:

4. After the detection is completed, there is no If there is a problem, continue to enter "netsh winsock reset", and then press the Enter key to execute. After the reset is successful, restart the computer and the problem will be solved.

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