Monitor works on laptop not on desktop

Sep 18, 2018
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Ok, so I have old monitor with VGA input and my mission is to have dual monitor setup, so I bought active converter digital-analog hdmi->vga and I hooked up that monitor to my desktop PC and nothing happens, then I tried same thing on old laptop that has HDMI output and monitor works great. So I'm sure that connector and cable are good.. but I can't figure out whats wrong with my desktop pc.

what I whant to do is to have dual monitor setup, my new monitor with hdmi hook up works great, but when I want to add this old monitor nothing happens, and even wont detect other monitor. I tried also disconnect this new monitor and have only old monitor connected but all what I get is blank screen, even in bios wont lit up.. I think there is something wrong with bios setup.

desktop pc specs are:

win 10 newly updated,
graphic card GeForce GTX 1050 Graphics Card | NVIDIA GeForce new driver also updated.

btw there are 3 hdmi slots, 1 dvi-d, 1 dp slot

 
Sep 18, 2018
2
0
10
If it wasn't it wouldnt work on laptop.. I managed to get it running by forcing bios to output on available vga motherbord port, but I can see huge discoloration, its using internal gpu

my adapter
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