External hdmi monitor not working on windows 11

Windows 11

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Dec 10, 2024
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Hi,I have a windows 11 system running on a dell Inspiron 7580 notebook. I cant get an external monitor working on hdmi port in windows 11.Some tests I made: 1- Using ubuntu 22 booting from a usb pendrive - I can get it work on hdmi and usb-c port, even simultaneously.2- Using windows 11, 1 monitor in usb-c port and other monitor in hdmi port. Various combinations of cables and monitors: Hdmi monitor doesnt work. Windows "pops" when hdmi connection is made, recognizes it in device manager and , my mouse can go to any monitors but Hdmi always show black screen without signal.Its important to men

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