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Question: 1080Ti Mac Pro 5,1 No display / Card not recognised since upgrading to High Sierra

Having huge issues trying to get any display out of my 1080Ti on a Mac Pro 5,1 (Mid 2010):


I recently upgraded my Mac Pro 5,1 (Mid 2010) from Sierra 10.12.6 to High Sierra 10.13.1 through the app store


Installed the ATI card that came with the Mac Pro, used that to install the update + High Sierra firmware update that was required


Finished the update, installed the latest web driver (378.10.10.10.20.107) and the latest CUDA driver and shut down before re installing the 1080. I have updated macOS before using this same process (Sierra 10.12.5 > 10.12.6 I think) with no problem.


Restarted with the 1080 but still had no display. Tried resetting PRAM, entering nvram boot-args="nvda_drv=1" in recovery mode but still nothing.


I've been trying to fix this for about 2 days now and have tried multiple fresh installs of High Sierra 10.13.0 + 13.1 and even 10.12.6 which I previously had running fine but still no display.


I am currently running 10.13.0 (17A365) with the 378.10.10.10.15.114 driver installed and the latest CUDA drivers.


NVIDIA Driver Manger is loading the web driver on startup and seems to be working ok.


The 1080Ti is also not being recognised by the Driver Manger itself. On System Preferences > NVIDIA Driver Manager under ECC the card is being displayed as 'Slot-1: pci10de,10ef'


Under System Report the card is being shown as just NVIDIA Chip Model


I've had this issue for a few days and have tried literally everything I can think of. Regardless of the version of macOS / driver It seems like the Mac Pro just isn't recognising the 1080 anymore. Any help or information would be very much appreciated.





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Mac Pro, macOS High Sierra (10.13.1), null

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Jan 4, 2018 8:24 AM in response to DanH1080 In response to DanH1080

Hi I have a mac Pro 6,1 working well with a 1080 Ti. I can tell you that on my rig the graphics card doesn't come up as 'Slot-1: pci10de,10ef', instead it reads 'Slot: Thunderbolt@182,0,0'.


'Slot-1: pci10de,10ef' reports as being reserved for "Audio Device" . Mine is a different mac model and its quite likely that apple has mapped the thunderbolt slots very differently. Never-the-less, I hope this helps.

Jan 4, 2018 8:24 AM

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Question: 1080Ti Mac Pro 5,1 No display / Card not recognised since upgrading to High Sierra