Asrock z490 Steel Legend and two Screens

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   HI all.

I've built my new PC based on Asrock Steel Legend z490 (s1200) (CPU - i7 10700k 32 GB RAM) and my old GPU XFX RX480.
I've installed all drivers for the motherboard and video card.
Every pin connected in the right way.
The problem is when I'm trying to use my two monitors (both connected via display port) - I start the PC with one monitor - everything works fine. When I connect the second one (once Windows loaded) - it works as expected, BUT after I click on "shut down" in Windows, and everything is turning off - I see the white LED around my "power" button on the base, and it won't start again until I completely remove the power supply and turn it back OR remove ONE of two connected display port cables. (no matter which). After - white LED goes out, and button starts work and system loads. 

If I enable integrated video in BIOS and connect one monitor to integrated video and the second one to RX480 - everything works fine. It's really odd. Btw I used to use those two monitors connected to the same video card via the same cables on my previous system and everything was fine.

Hope someone could help me, and sorry for my English, but I really can not find a solution to use my two monitors with my video card.

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exz0N Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Mar 2021 Status: Offline Points: 35	Post Options Post Reply Quote exz0N Report Post Thanks(0) Quote Reply Topic: Asrock z490 Steel Legend and two Screens Posted: 15 Mar 2021 at 7:09pm
	HI all. I've built my new PC based on Asrock Steel Legend z490 (s1200) (CPU - i7 10700k 32 GB RAM) and my old GPU XFX RX480. I've installed all drivers for the motherboard and video card. Every pin connected in the right way. The problem is when I'm trying to use my two monitors (both connected via display port) - I start the PC with one monitor - everything works fine. When I connect the second one (once Windows loaded) - it works as expected, BUT after I click on "shut down" in Windows, and everything is turning off - I see the white LED around my "power" button on the base, and it won't start again until I completely remove the power supply and turn it back OR remove ONE of two connected display port cables. (no matter which). After - white LED goes out, and button starts work and system loads. If I enable integrated video in BIOS and connect one monitor to integrated video and the second one to RX480 - everything works fine. It's really odd. Btw I used to use those two monitors connected to the same video card via the same cables on my previous system and everything was fine. Hope someone could help me, and sorry for my English, but I really can not find a solution to use my two monitors with my video card.

exz0N Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Mar 2021 Status: Offline Points: 35	Post Options Post Reply Quote exz0N Report Post Thanks(0) Quote Reply Posted: 16 Mar 2021 at 5:12am
	Upd: Everything works with video cart if connect one of the monitors via HDMI.