Question Screen flicker, black for seconds or signals go away and says "off-screen" ?

May 29, 2021
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it happens on both of my screens (benq gl2580h connected with a hdmi) and a small tv connected with hdmi.
i tried changing hdmi, tried unistall drivers with ddu and reinstalling them, i tried to format my whole pc windows and it didnt work. i tried to even change os and go on ubuntu but still happen.
the screen goes black randomly, sometimes for just a second sometimes for few seconds or can even just go black and say "off-screen" and i need to wait maybe like 1-2 minutes or take hdmi and put it back and sometimes it work.
it happens on games, google, firefox, or even in idle with just discord open.
specs:
I5 3550
GTX 1050 LP
8gb ram (2x2gb+4gb)
psu(its a prebuilt psu in a toshiba but it does have enough power to power this i am preety sure)
ssd 128gb
hdd 500gb
 

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