Question Monitor not detecting GPU after connecting to TV via HDMI

Apr 9, 2019
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Hi, yesterday I was playing with my brother games in his apartment so I had to move my pc. We were playing on curved tv connected via hdmi cabel. Everything was running fine I had to install ds4ex for his ps4 controller. We ended playing I turned off pc normaly and went back to me.

After I came back to my apartment and connected to my main monitor dell 240hz it kept saying no signal, tried second monitor same result. Everything on motherboard is running normally no red lights.

I think it must be windows problem.

But whats weird I dont even see bios. It automatically tells me that hdmi is not detected.