[Sierra] GTX 970 Multimonitor problem

[Suloo]

Hi there,

i got an issue with my multimonitor set up.
I do have 3 monitors attached.

1. Samsung via HDMI
2. Samsung via DisplayPort
3. BenQ Projector via DisplayPort (active DP to HDMI Adapter)

I use the new method with the system parameter in the config.plist to load the NVIDIA webdriver.

When all monitors are attached, i won't be able to boot into the system. The white apple logo appears, then it loads, and after that my display shows "no signal".

When i boot with nv_disable=1 i get into the system but the graphic is full of stripes and generally performing unusable.
In about my mac there is shown: NVIDIA Chip Model 8 MB

Next i tried to inject NVIDIA GFX, wich also boots into the system using nv_disable=1. This time about my mac shows the correct device but with 0 MB VRAM.

Now i detached all monitors apart from the Samsung via HDMI, removed the NVIDIA GFX injection, removed nv_disable=1 and removed nvda_drv=1 and it boots fine.

Booting with only one monitor attached works it seems, and then i am able to plug in the additional monitors and everything works fine. This is not a long term solution actualy, but it works so far. Btw i had no issues doing this using El Capitan.

Does multimonitor booting work for you guys using a 970 and the new way to use the webdriver?
It seems that when using several monitors, the webdriver doesn't get loaded.

Any idea how to fix this?

thx

Sysdef is iMac 14,2

 

[Suloo]

anyone? pls

 

[alilozano]

Hi there,

i got an issue with my multimonitor set up.
I do have 3 monitors attached.

1. Samsung via HDMI
2. Samsung via DisplayPort
3. BenQ Projector via DisplayPort (active DP to HDMI Adapter)

I use the new method with the system parameter in the config.plist to load the NVIDIA webdriver.

When all monitors are attached, i won't be able to boot into the system. The white apple logo appears, then it loads, and after that my display shows "no signal".

When i boot with nv_disable=1 i get into the system but the graphic is full of stripes and generally performing unusable.
In about my mac there is shown: NVIDIA Chip Model 8 MB

Next i tried to inject NVIDIA GFX, wich also boots into the system using nv_disable=1. This time about my mac shows the correct device but with 0 MB VRAM.

Now i detached all monitors apart from the Samsung via HDMI, removed the NVIDIA GFX injection, removed nv_disable=1 and removed nvda_drv=1 and it boots fine.

Booting with only one monitor attached works it seems, and then i am able to plug in the additional monitors and everything works fine. This is not a long term solution actualy, but it works so far. Btw i had no issues doing this using El Capitan.

Does multimonitor booting work for you guys using a 970 and the new way to use the webdriver?
It seems that when using several monitors, the webdriver doesn't get loaded.

Any idea how to fix this?

thx

Sysdef is iMac 14,2

hi mate i think you'll need to change your mac id, maybe iMac 14.2 is not working well with nvidia web driver, look some post to fix blackscreen with AGDPfix.app.... i did with same graphics card and is working well now in sierra but i just have one monitor conected.