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Graphics Cards

Journeyman III

When connecting a second monitor, their image disappears

Hello. After connecting a second monitor in my computer, the image disappears on two monitors at the same time.After restarting the computer, the BIOS boots on two monitors, but after loading windows 10, the image on both monitors also disappears after a minute. Although individually they work without problems. To solve this problem, I have already tried: 1) flash the latest BIOS version (gaming x gigabyte b450) 2) update all drivers, including the rx580 video card 3) change the power supply to a more powerful one. None of these options helped sleep. Can you help me solve this problem? And help to figure out what is the reason?

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