How to get 'X Screen 1' up

asked 2017-12-26 14:58:54 -0500

kernelpanic gravatar image

I installed Fedora 27 on a desktop with 4 monitors and 2 NVIDIA cards:

# lspci | grep -E "VGA|3D" 

01:00.0 VGA compatible controller: NVIDIA Corporation GP107 [GeForce GTX 1050 Ti] (rev a1) 

02:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce GT 610] (rev a1)

After the install, all 4 screens were working properly. The whole UI was flickering a lot so I decided to look into the vendor's drivers. Following the steps from this tutorial I installed the NVIDIA driver and dropped the nouveau version.

NVIDIA-Linux-x86_64-387.34.runĀ 

I confirmed this driver supports both cards in this PC.

The whole installation was OK and now I have nvidia-settings app. Now the issue: The main video card which has 3 screens work fine. The forth screen, connected to the second card (GT 610) although detected by the NVIDIA X Server Settings, doesn't show up.

The NVIDIA X Server Settings (nvidia-settings) view, the working screen hooked to the first card: working screen

And the faulty one: failing screen

Any idea how can I get the forth monitor working?

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