Looking for assistance with HS install and gtx980ti

[kalex]

Hello

Decided to start new thread instead of posting to Frequently Asked Questions About NVIDIA PC (non-EFI) Graphics Cards

I finally decided to upgrade my 2009 4,1 flashed to 5,1 MP to HS 10.13.5. Swappned out my gtx980ti card for old gt120 card. Did the upgrade, installed latest nvdia driver and cuda drivers. Everything was great with gt120.
Swapped out gt120 for gtx980ti and booted. Black screens. Was able to remotely connect. Drivers were loaded but model of the card was showing as nvidia chip model 256mb ram. Worked with suggested posted in that thread but got no where. Did a pram reset, reinstalled drivers, sudo nvram drv=1. Nothing worked.

Last night I took my MP to bare minimum. 2 video cards, ssd boot disk, keyboard, mouse. Nothing else installed.
did a fresh install of 10.13.5 17F77 build
Installed NVIDIA drivers and rebooted
Got the same Nvidia chip model
Not sure what else to do?

While troubleshooting I booted up to 10.11 install and both cards came right up and showed in control panel.

screenshots of the progress are here: https://photos.app.goo.gl/GQGhY9x5qA71RqAU8

Any suggestions or ideas on what else i can do? I have also ordered saphire pulse rx580 as backup so I can swap it out and have it work naively in worse case scenario.

Thank you

 

[Dr. Stealth]

Go to System Information / PCI. Does it actually show the drivers Installed ?

There is a common issue installing the web driver the first time. A gatekeeper exception needs to be allowed in Security & Privacy. If this is not done the drivers will look like they are loaded but they are not Completely loaded.

Plus, if the driver installer fails to install the drivers it gives NO ERROR MESSAGE saying so. That makes you believe everything went fine when it did not.

If not fully loaded you will get symptoms like yours. The card is not identified properly. "NVIDIA Chip Model"

The fact you have the Nvidia Control Panel does not necessarily mean the drivers are installed.

I could be wrong but that's what I've seen before. Check in PCI and see what is says...

 

[kalex]

Both show as loaded. I allowed it in gatekeeper as well
https://photos.app.goo.gl/QTYy18Dq5o7S2NWe8

 

[ActionableMango]

Both show as loaded. I allowed it in gatekeeper as well
https://photos.app.goo.gl/QTYy18Dq5o7S2NWe8

I wonder which driver. What does it show in Software, Extensions?

 

[kalex]

I wonder which driver. What does it show in Software, Extensions?

nvdia drivers
https://photos.app.goo.gl/9U1b5YgSQhQM1kAY7

https://photos.app.goo.gl/Cuxn7pP1GiLc67r99

 

[h9826790]

If you card works fine in El Capitan on the exact same machine.

And no way to show anything in High Sierra with the correct web driver installed and loaded.

Then I can only assume your card is not 100% compatible, and only work intermittently depends on the OS / web driver version.

May I know if your 980Ti is the reference card? Or a high customised after market card?

 

[kalex]

If you card works fine in El Capitan on the exact same machine.

And no way to show anything in High Sierra with the correct web driver installed and loaded.

Then I can only assume your card is not 100% compatible, and only work intermittently depends on the OS / web driver version.

May I know if your 980Ti is the reference card? Or a high customised after market card?

Its the EVGA GTX 980Ti 6GB ACX 2.0 SC+ Backplate
https://photos.app.goo.gl/8mkRfzeCc7irWS2y7

 

[sabbott]

kalex, I had the same problem yesterday after resetting my RAM. I'm not sure if you've already covered this, but High Sierra has another kernel extension protection layer, which showed all drivers were loaded but wouldn't show any screens on my non-flashed GTX970.

In my case, I needed to re-allow the Nvidia kernel extension under Settings > Security & Privacy > General. I would normally do such a task via screen sharing, but High Sierra explicitly won't let you click the 'allow' button using Screen Sharing (or, for that matter, using my Wacom!).

https://twitter.com/felix_schwarz/status/908690187219283970
which links to
https://support.apple.com/en-us/HT208019

 

[kalex]

kalex, I had the same problem yesterday after resetting my RAM. I'm not sure if you've already covered this, but High Sierra has another kernel extension protection layer, which showed all drivers were loaded but wouldn't show any screens on my non-flashed GTX970.

In my case, I needed to re-allow the Nvidia kernel extension under Settings > Security & Privacy > General. I would normally do such a task via screen sharing, but High Sierra explicitly won't let you click the 'allow' button using Screen Sharing (or, for that matter, using my Wacom!).

https://twitter.com/felix_schwarz/status/908690187219283970
which links to
https://support.apple.com/en-us/HT208019

After i did a fresh install of HS, i got prompted to allow nvidia and i did. General tab had no pending allows

 

[kalex]

Update. Ended up getting Saphire rx580. Uninstalled nvidia drivers and installed the new card. Booted right up and works without issues. No idea what was going on with gtx 980ti but no matter what I tried i was unable to get it working.
Now I need to find a buyer for it