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How to extend the iMac Pro to X99 [Successful Build/Extended Guide]

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Nice to hear that :thumbup:

So how did you solve the web driver and black screen issue? Which approach did work in your case?

I used my old ATI HD6870 to boot and clean install 10.13, installed Nvidia Webdrivers, Ran AGDPfix.app, installed Lilu and NividiaGraphicsFixup in Clover other folder, used KextBeast to install NVWebDriverLibValFix.kext to L/E, Ran Kext Utility to fix permissions. Rebooted and verified working with GTX 1050. Then ran High Sierra Supplemental Update, rebooted to osInstall and let it finish. Pulled out GTX 1050 and again booted with ATI HD6870. Upon reboot Nvidia prompted to update web drivers, ran the update and ran Kext Utility before reboot. Swapped video cards, fired it up, and boom, good to go!

Edit: I can only boot with 1 monitor plugged in, otherwise black screen. Once it's booted I can plug in the second monitor, but it says 24 bit color, don't know if that's a issue... I'll be looking into this if you have any suggestions?
Screen Shot 2017-10-07 at 12.25.24 AM.png
 
I have tried this many, many times now without success.. I have followed your guide several times without luck.

My specs:
X99A SLI Krait Edition
i7-5820k
Gigabyte GTX 980 Ti

I've done everything through D.1 as expected for Haswell-E. I go to install Mac OS and get the 18 minutes remaining, after about a minute it reboots - but instead of it coming back to "41 minutes remaining" as you said in your guide, it tells me "17 minutes remaining" and it completes the installation. Then it reboots...

After rebooting and I try to boot MacOS from the drive all I get is a black screen and it will reboot after some time. :(!!


Please note too: I am prepping the USB drive and SSD drive from a MacBook Pro.

What I've done differently than the guide so far:
I added NvidiaGraphicsFixup.kext to /kexts/other on both USB and SSD...
(I didn't check "NividaWeb" in system parameters,.. should I)?

Things I cannot do the guide tells me to do:
With the Clover EFI Bootloader I cannot:
- Select Install RC scripts on target volume (ONLY on SSD; I can on the USB drive)
- Select Install Clover Preference Pane (for neither the USB or SSD drive).


Please, any help/advice/guidance would be appreciated. I'm down $200 and many hours trying to solve this and didn't want to ask for help. Thank you.
 
I have tried this many, many times now without success.. I have followed your guide several times without luck.

My specs:
X99A SLI Krait Edition
i7-5820k
Gigabyte GTX 980 Ti

I've done everything through D.1 as expected for Haswell-E. I go to install Mac OS and get the 18 minutes remaining, after about a minute it reboots - but instead of it coming back to "41 minutes remaining" as you said in your guide, it tells me "17 minutes remaining" and it completes the installation. Then it reboots...

After rebooting and I try to boot MacOS from the drive all I get is a black screen and it will reboot after some time. :(!!


Please note too: I am prepping the USB drive and SSD drive from a MacBook Pro.

What I've done differently than the guide so far:
I added NvidiaGraphicsFixup.kext to /kexts/other on both USB and SSD...
(I didn't check "NividaWeb" in system parameters,.. should I)?

Things I cannot do the guide tells me to do:
With the Clover EFI Bootloader I cannot:
- Select Install RC scripts on target volume (ONLY on SSD; I can on the USB drive)
- Select Install Clover Preference Pane (for neither the USB or SSD drive).


Please, any help/advice/guidance would be appreciated. I'm down $200 and many hours trying to solve this and didn't want to ask for help. Thank you.
I would try
I have tried this many, many times now without success.. I have followed your guide several times without luck.

My specs:
X99A SLI Krait Edition
i7-5820k
Gigabyte GTX 980 Ti

I've done everything through D.1 as expected for Haswell-E. I go to install Mac OS and get the 18 minutes remaining, after about a minute it reboots - but instead of it coming back to "41 minutes remaining" as you said in your guide, it tells me "17 minutes remaining" and it completes the installation. Then it reboots...

After rebooting and I try to boot MacOS from the drive all I get is a black screen and it will reboot after some time. :(!!


Please note too: I am prepping the USB drive and SSD drive from a MacBook Pro.

What I've done differently than the guide so far:
I added NvidiaGraphicsFixup.kext to /kexts/other on both USB and SSD...
(I didn't check "NividaWeb" in system parameters,.. should I)?

Things I cannot do the guide tells me to do:
With the Clover EFI Bootloader I cannot:
- Select Install RC scripts on target volume (ONLY on SSD; I can on the USB drive)
- Select Install Clover Preference Pane (for neither the USB or SSD drive).


Please, any help/advice/guidance would be appreciated. I'm down $200 and many hours trying to solve this and didn't want to ask for help. Thank you.

Do you have a older ATI graphics card by any chance? You will have much better luck with the install!
 
By the way everything works fine except one problem. When I power on my hack first time in the morning, it doesn't reboot. Black screen, no BIOS enter screen too. Only black screen. Then i reset it then backs to normal. Boots fine. Any idea?

Thanks in advance
 

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Important Note - Supplementary Update

Within Apple's Supplementary Update, also the apsf.efi has been modified. The actual apsf.efi is attached below. Primarily to performing the Supplementary Update, copy the apsf.efi to the /EFI/CLOVER/drivers64UEFI/ directories of your USB Flash Drive Installer and 10.13 System Disk

A modified EFI-Folder has also been attached at the end of the originating post/guide and is once more attached here below.

Only modification:
  • new apsf.efi in /EFI/CLOVER/drivers64UEFI/
Cheers,

View attachment 283682

I did the Supplemental Update without copying the apsf.efi (I forgot) but nevertheless its running fine!
Asus X-99 Aii / i7-6850K / GTX 1080 (No Driver Yet installed) / SMBIOS 6.1

Should I perform it now after wards?
 
Do you have a older ATI graphics card by any chance? You will have much better luck with the install!

Can I swap the card out later after it's installed? I don't have a card but could buy one, I've spent $200 so far but don't want to go much more in.

Thank you for the advice. Why is the Gigabyte GTX 980 Ti such a hard card to get working?
 
I did the Supplemental Update without copying the apsf.efi (I forgot) but nevertheless its running fine!
Asus X-99 Aii / i7-6850K / GTX 1080 (No Driver Yet installed) / SMBIOS 6.1

Should I perform it now after wards?

Make a bootable backup of your system disk before by means of Carbon Copy Cloner! Just in case!:thumbup:

Then use the updated web driver.
 
Can I swap the card out later after it's installed? I don't have a card but could buy one, I've spent $200 so far but don't want to go much more in.

Thank you for the advice. Why is the Gigabyte GTX 980 Ti such a hard card to get working?

I used my old ATI HD6870 to boot and clean install 10.13, installed Nvidia Webdrivers, Ran AGDPfix.app, installed Lilu and NividiaGraphicsFixup in Clover other folder, used KextBeast to install NVWebDriverLibValFix.kext to L/E, Ran Kext Utility to fix permissions. Rebooted and verified working with GTX 1050. Then ran High Sierra Supplemental Update, rebooted to osInstall and let it finish. Pulled out GTX 1050 and again booted with ATI HD6870. Upon reboot Nvidia prompted to update web drivers, ran the update and ran Kext Utility before reboot. Swapped video cards, fired it up, and boom, good to go!

Unfortunately with High Sierra it seems that the newer Nvidia GTX cards that need web drivers will have issues with every update, and since X99 doesn’t have built in Intel graphics you’ll need a video card that supports native OS X drivers to get past black screen to apply fixes. I would look on eBay for a ATI Radeon HD6870, as it works OOB with clover. There could be other solutions, just my two cents
 
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Make a bootable backup of your system disk before by means of Carbon Copy Cloner! Just in case!:thumbup:

Then use the updated web driver.

Just naked installation of the the Nvidia Webdriver? My sys is clean at this time.
No check "NividaWeb" in system parameters? Sip? NvidiaGraphicsFixup.kext? etc etc?
 
I have tried this many, many times now without success.. I have followed your guide several times without luck.

My specs:
X99A SLI Krait Edition
i7-5820k
Gigabyte GTX 980 Ti

I've done everything through D.1 as expected for Haswell-E. I go to install Mac OS and get the 18 minutes remaining, after about a minute it reboots - but instead of it coming back to "41 minutes remaining" as you said in your guide, it tells me "17 minutes remaining" and it completes the installation. Then it reboots...

After rebooting and I try to boot MacOS from the drive all I get is a black screen and it will reboot after some time. :(!!


Please note too: I am prepping the USB drive and SSD drive from a MacBook Pro.

What I've done differently than the guide so far:
I added NvidiaGraphicsFixup.kext to /kexts/other on both USB and SSD...
(I didn't check "NividaWeb" in system parameters,.. should I)?

Things I cannot do the guide tells me to do:
With the Clover EFI Bootloader I cannot:
- Select Install RC scripts on target volume (ONLY on SSD; I can on the USB drive)
- Select Install Clover Preference Pane (for neither the USB or SSD drive).


Please, any help/advice/guidance would be appreciated. I'm down $200 and many hours trying to solve this and didn't want to ask for help. Thank you.

What worries me is the fact that when booting the third time the installer still tells you 17 min remaining! This has nothing to do with the graphics card! Something is wrong!

Are you sure that you use the FULL MacOS Install Package???

I see nor reason for using NvidiaGraphicsFixup.kext during the macOS Install process... It is neither required by the USB Flash Drive Installer, nor the System Disk. It will be required after installing the Web Drivers. That's also the moment wenn you have to check "NvidiaWeb..

Don't worry about the "Install RC scripts" and "Clover Preference Pane". Not mandatory or really required!
 
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