PS4 with no output

[Gamer Schnitzel]

I tried booting up my old PS4 today but I did not get any visual output. I tried other cables but it did not make a difference. I'm not sure why it would suddenly stop working and it is outside the warranty. Sony expects me to pay them £179 for a new console in return for mine.

The light on the console is blue.

Is there anything I can do to fix it myself?

I cannot boot into safe mode either since there is no output at all.

[Beerzerker]

Apparently Sony knows about it already.
PS4 Blue Light Problem - PlayStation 4 Wiki Guide - IGN

If this is the same issue as it's described, it doesn't look like there is much more you could do you haven't already done yourself.

[Gamer Schnitzel]

I fixed it by using another HDMI cable. I was using the HDMI cable that came with my Nintendo Switch but when I switched to another random one it worked again. Maybe there is a HDMI cable requirement or they intentionally make it not work if you use stuff that comes from a competing console manufacturer?

[Beerzerker]

Either due to how the pins are setup/arrainged in the port or it was just a bad cable. I've noted some cables have more pins than others such as a cable that's "For" 4K, ran into that getting some HDMI cables myself.

At least it's working again, that's what matters.