Solved! Why does my laptop's screen turns blank and the audio disappear when I connect my laptop to an hdmi port?

Oct 29, 2020
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Before my ASUS laptop screen appears and the audio works fine even if I connect it to an HDMI port for LCD, recently it's not working anymore. The screen turns blank whenever I connect to HDMI and the audio only works if I remove the HDMI connection. Is it something to do with a setting or is there a problem with my laptop?