HDMI monitor port to USB-C laptop issues

Hi people,

I need some help.

Recently the HDMI port in my laptop does not work all the time when connected to the monitor, so as a back up I am trying to connect to my monitor via the USB C port. Setup goes like this:

System: MS Win 11 Pro 10.0

Monitor: Dell 27 Curved Gaming Monitor – S2721HGF

Laptop: ASUS ROG Strix G17 G713QR

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They are connected with an HDMI to USB-C connector.

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The issue: with my HDMI to HDMI connector, I could use the laptop with the lid closed, that's not working anymore, the laptop must be opened all the time with the HDMI to USB C.The biggest issue is that every time I start Netflix / Amazon / HBO the monitor goes blank with one of the two outcomes: either goes to standby and I have to close the browser / tab with CTRL+F4 and it come back alive or freezes and have to unplug and plug it back in. Works fine for YT, this happens only with the streaming services.

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Thanks to lend a hand, if possible!

Cheers!