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Nvidia second monitor problem

Joined
Nov 7, 2015
Messages
5
Motherboard
GA-P55-USB3
CPU
X3480
Graphics
GTX 1050 Ti
Mac
  1. Mac Pro
Classic Mac
  1. iMac
Mobile Phone
  1. Android
Hello!
My configuration:
Motherboard - Gigabyte GA-P55-USB3
CPU - Intel Xeon x3480
RAM - 30 gb
Videocard - Gigabyte GTX 1050ti
The problem is the following, after installing High Sierra 10.13.6 and installing the nvidia driver, all the graphics were fully working, including the second monitor. An accidental blackout occurred and, subsequently, the second monitor was no longer detected by the system.
Monitors are connected by two HDMI
cables. This is accompanied by a signal to the second monitor once, the monitor turns on and then writes "no signal" and turns off. The first monitor starts to blink constantly and the system tries to connect to the second monitor. When you turn off the second monitor the problem disappears.
Changing monitors in places, connecting with different cables does not help to solve the problem.
I thought that the problem in the bootloader clover, and setting it up, did not help. Reinstalling the nvidia driver does not help.
With what it can be connected? Monitors are 100% working, cables are working. In the windows system, everything works fine.
 
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