What should I do if a 900 error message appears when a network exception occurs?

Solution to the 900 error message when network anomaly occurs: first click to open the Network and Sharing Center; then find and click the solved problem, click it to detect; then the detection results will appear, and troubleshoot based on the results; finally follow the detection results After troubleshooting the fault point, re-plug and unplug the network cable.

Solution to 900 when network abnormality occurs:

1. Click on the red cross in the taskbar at the bottom right Click the computer icon to open the Network and Sharing Center.

#2. Find the problem that has been solved by clicking on it, and click it to detect it.

#3. The detection waiting interface appears.

#4. The test results appear and troubleshooting is carried out based on the results.

#5. After troubleshooting the fault point according to the test results, plug and unplug the network cable again so that you can connect to the network.

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