I connected the computer via HDMI ，but the monitor didn't display.

UNCLESIX

1. System: windows 10 pro 64-bit 10.0.18363
2. Battery or AC: Both
3. Model: UX581GV.308
4. Frequency of occurrence: Always
5. Reset OS: yes
6. Screenshot or video:

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Detailed description：

HDMI should be no problem, because the computer can recognize the monitor

There is no problem with my monitor. If use type-c, there is no problem。

7ec5706e822deb806e674e9f009bf0f3.mp4

Sometimes this happens, sometimes it doesn't.😭

Thanks everyone for helping me