HDMI port on laptop not working optimally

[Bestinhop23R]

I was using my laptop casually on an external monitor and it suddenly went blank, and wouldn't come back. As the HDMI port is connected to the RTX 3050 laptop GPU, I tried installing the new NVIDIA Drivers from GeForce Experience and all the other troubleshooting steps like device manager uninstall, re-install etc. I even hard reset windows 10 using a bootable USB from Microsoft. 

The issue exactly is whenever I plug in an HDMI cable the display shows up in NVIDIA Control Panel and Windows Settings however there is no apparent video output. I am running all the latest drivers from HP, AMD, Realtek, NVIDIA, Microsoft etc. I tried plugging in another laptop I have at home and it worked with the same HDMI cable and monitor. Still, to be sure I tested it with my TV and another HDMI cable with both the monitor and my TV, still no apparent video output. It still shows up in Windows Display Settings though, and the monitor audio device shows up but doesn't work. 

I have no clue why this isn't working and no way to fix it, please help me fix it as soon as possible. My machine is under warranty from HP and a support agent will be coming in a couple of days to look at it. However, being a techie myself I know it's probably a software bug and there probably is a way to fix it.

[Bestinhop23R]

I would also like to add-on that I have USB-C to HDMI adapter and that works fine. However, I'd like the main HDMI port to work as it's connected to the NVIDIA Graphics Card.