no hdmi output

This is split from another question I asked here on this post. To summarize, I have a Dell monitor that is very picky about detecting input sources. Looking back, I've had this problem for as long as I remember, when I used to have trouble connecting my macbook to it as an external display, but...

I recently got an Acer Predator PO3-630 with an i5-11400F and a RTX 3060, I turned it on and it was working fine but then the video just cut out and now I see nothing at all, also on top of that when trying to diagnose it i heard the power supply clicking even when the PC is off? I’m not really...

Would really appreciate some help with this, I’m pretty new to building and I’m honestly kinda stumped. SPEC: MoBo: Gigabyte x570 elite CPU: Ryzen 9 3900x Memory: Corsair vengeance RGB 3200 GPU: Gigabyte GTX 1080 G1 8gbi Storage: Samsung 870 EVO M.2 NvME PSU: Corsair AX850 Cooler: H100i liquid...