Dual monitor Windows 11 24h2

[Nguyenx Fuonq]

Hi,I am using dual monitors. Before updating to 24h2, when I didn't use the secondary monitor (power still on) and set it to "pc screen only", if I pressed the power button on the main monitor, both monitors would not display. But after updating to 24h2, when I press the power button on the main monitor, the secondary monitor automatically displays and switches from portrait to landscape mode. When I turn on the main monitor again, the secondary monitor turns off. How can I fix this situation?Thank you all for your help!

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