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MP 5,1 Graphics Card issue?

timothevs said:
SOooo, how does one initiate it? I tried to start the reinstallation of Sierra but the Option key doesn't take me to the drive selection to select the USB drive containing the OS installation. Is there another way?
Click to expand...

You just make the simple thing complicated.

Hold Command + R boot into recovery partiton, and you can easily install OS from there.

If there is no recovery partiton, and no work OS on any hard drive. You better burn a disc but not making USB for cMP.

Holding C to boot will boot from the disc, no need to use the boot manager.
 
h9826790 said:
You just make the simple thing complicated.

Hold Command + R boot into recovery partiton, and you can easily install OS from there.

If there is no recovery partiton, and no work OS on any hard drive. You better burn a disc but not making USB for cMP.

Holding C to boot will boot from the disc, no need to use the boot manager.
Click to expand...

Yeah no, CMD+R doesn't do anything - just a black screen, nothing.
 
timothevs said:
Sorry - not the OP - I am using nVidia GT 1030. :)
Click to expand...

Arrrr, sorry about that. I completely screw that up.

GT 1030 cannot provide any GUI in normal recovery partition.

In this case, I can't think any way to install macOS into one of your hard drive without any help from other card / computer. If there is already a working OS, may be you can still run the OS installer from there (the whole installation process will be NO GUI, completely nothing on the screen, TBH, quite impossible to complete (because the very last part need you to agree the license, create account, etc. Which IMO is almost impossible to complete without any GUI.

You best bet now is using another Mac / Hackintosh, install OS onto a hard drive (can be a USB hard drive), and then connect that hard drive to your cMP and boot.
 
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h9826790 said:
Arrrr, sorry about that. I completely screw that up.

GT 1030 cannot provide any GUI in normal recovery partition.

In this case, I can't think any way to install macOS into one of your hard drive without any help from other card / computer. If there is already a working OS, may be you can still run the OS installer from there (the whole installation process will be NO GUI, completely nothing on the screen, TBH, quite impossible to complete (because the very last part need you to agree the license, create account, etc. Which IMO is almost impossible to complete without any GUI.

You best bet now is using another Mac / Hackintosh, install OS onto a hard drive (can be a USB hard drive), and then connect that hard drive to your cMP and boot.
Click to expand...
Thanks, that makes much more sense now. I was working under a false assumption. Anyway, that's what I ended up doing, attaching the SSD to my MBP to at least get the OS installed and the Remote Desktop switched on. Everything else I can do remotely. Thanks!
 
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h9826790 said:
Arrrr, sorry about that. I completely screw that up.

GT 1030 cannot provide any GUI in normal recovery partition.

In this case, I can't think any way to install macOS into one of your hard drive without any help from other card / computer. If there is already a working OS, may be you can still run the OS installer from there (the whole installation process will be NO GUI, completely nothing on the screen, TBH, quite impossible to complete (because the very last part need you to agree the license, create account, etc. Which IMO is almost impossible to complete without any GUI.

You best bet now is using another Mac / Hackintosh, install OS onto a hard drive (can be a USB hard drive), and then connect that hard drive to your cMP and boot.
Click to expand...

Is this a way to get around having a Mac-EFI gpu for High Sierra? I have a MBP, so can I use that to format and install High Sierra on a HDD and then put that in my cMP? I thought that wouldn't work due to hardware differences? Maybe I am misreading the post.
 
Hey OP - I recently installed a Sapphire Radeon NITRO+ RX 580 8GB card in my upgraded Mac Pro 5,1 running 10.12.6 and it is working fine. Did you get it working yet? At a minimum you need to connect the 8 pin power input on the card to the two mini 6 pin PCI power connectors on the motherboard (you'll need a dual 6 pin mini to 8 pin adaptor for this). The documentation for the card notes that the second 6 pin power input is optional.

I think there are a few others on this forum running this card the same way without any issues, and my experience has been the same.
 
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