扩展屏幕显示
The current input timing is not supported by the monitor display please change your input timing to 1980*1200 @60Hz or any other monitor listed timing as per monitor specifications

显示器不支持当前输入计时。请将输入计时更改为 1980*1200 @60Hz或根据监视器规范列出的任何其他监视器计时

我直接把副屏分辨率调低到 1980*1200 ,重启即可