Win10 input signal is out of range

After the holiday, I connected the monitor at home to my laptop, and the error message "Input signal out of range" was reported. A blue box jumped around, which was very disgusting. The methods that Baidu comes up with are always like this. I continue Baidu with the mentality that everything will be fine without restarting.

Right click on the desktop ->Display settings(Recommended learning: web front-end video tutorial)

Scroll down to the bottom and select Advanced Display Settings

Scroll down to the bottom and select "Display Adapter Properties"

Select the second one - "Monitor", adjust the "Screen Refresh Frequency" to 60 Hz, and click "Apply"

At this time, the extended monitor will show the desktop

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