HDMI 1.3

Hello guys, I have a quick question about the display I can't and will appreciate your help. I just bought a monitor Asus VG278QR and I have Hp Victus 16 Laptop. I have a HDMI 2.1(I know monitor only has 1.4) and USB-C to Displayport Cable, with displayport I get 165 HZ but the monitor is...

I'm in a situation where I need to replace a media converter (HDMI >Coax) that's having intermittent issues. My thinking is to get rid of the coax (and convertor) and just run an HDMI cable and connecting to the local machines 2nd HDMI port. The question I have is related to the maximum distance...

I am aware of Av receivers, the big buck boxes that are designed for home theater systems with many speakers, but I am in dire need of something like this but not quite. I am looking for something that acts as an audio visual hub for my desk with multiple input outputs (spdif optical, coaxial...