Dell xps 9550 boot issue

[fruitfly]

I've just managed to install High sierra on my new samsung pm981 nvme hard disk!

After finished installing and rebooting. I tried the same boot flags that got me to install high sierra
(nv_disable=1 dart=0 kext-dev-mode=1 -v) with no luck! booting from the USB.

I've tried several others as well, still didnt work.
(nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(nv_disable=1 dart=0 kext-dev-mode=1 -v)
(nv_disable=1 dart=0 -v)
(nv_disable=1 -v)

It always ends up with "does printf work?"

except for (nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v)

It goes into a bunch of codes and then restarts straight away after mentioning "attempting..."

HELP! PLEASE! I FEEL SO CLOSE YET SO FAR!

 

[fruitfly]

I've just managed to install High sierra on my new samsung pm981 nvme hard disk!

After finished installing and rebooting. I tried the same boot flags that got me to install high sierra
(nv_disable=1 dart=0 kext-dev-mode=1 -v) with no luck! booting from the USB.

I've tried several others as well, still didnt work.
(nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(nv_disable=1 dart=0 kext-dev-mode=1 -v)
(nv_disable=1 dart=0 -v)
(nv_disable=1 -v)

It always ends up with "does printf work?"

except for (nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v)

It goes into a bunch of codes and then restarts straight away after mentioning "attempting..."

HELP! PLEASE! I FEEL SO CLOSE YET SO FAR!

I've tried
(nv_disable=1 dart=0 kext-dev-mode=1 slide=133 -v)
(slide=133 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(slide=133 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000 -liluoff)

and it boots into the apple logo stating "Installing.. 18 minutes remaining" then reboots.

 

[RehabMan]

I've just managed to install High sierra on my new samsung pm981 nvme hard disk!

After finished installing and rebooting. I tried the same boot flags that got me to install high sierra
(nv_disable=1 dart=0 kext-dev-mode=1 -v) with no luck! booting from the USB.

I've tried several others as well, still didnt work.
(nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(nv_disable=1 dart=0 kext-dev-mode=1 -v)
(nv_disable=1 dart=0 -v)
(nv_disable=1 -v)

It always ends up with "does printf work?"

except for (nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v)

It goes into a bunch of codes and then restarts straight away after mentioning "attempting..."

HELP! PLEASE! I FEEL SO CLOSE YET SO FAR!

See guide:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/

 

[hoypolloy]

I've just managed to install High sierra on my new samsung pm981 nvme hard disk!

After finished installing and rebooting. I tried the same boot flags that got me to install high sierra
(nv_disable=1 dart=0 kext-dev-mode=1 -v) with no luck! booting from the USB.

I've tried several others as well, still didnt work.
(nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(nv_disable=1 dart=0 kext-dev-mode=1 -v)
(nv_disable=1 dart=0 -v)
(nv_disable=1 -v)

It always ends up with "does printf work?"

except for (nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v)

It goes into a bunch of codes and then restarts straight away after mentioning "attempting..."

HELP! PLEASE! I FEEL SO CLOSE YET SO FAR!

I have the same problem, the reason is PM981. Did you get it working?

 

[RainYuGG]

I've just managed to install High sierra on my new samsung pm981 nvme hard disk!

After finished installing and rebooting. I tried the same boot flags that got me to install high sierra
(nv_disable=1 dart=0 kext-dev-mode=1 -v) with no luck! booting from the USB.

I've tried several others as well, still didnt work.
(nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v abm_firstpolldelay=16000)
(nv_disable=1 dart=0 kext-dev-mode=1 -v)
(nv_disable=1 dart=0 -v)
(nv_disable=1 -v)

It always ends up with "does printf work?"

except for (nv_disable=1 dart=0 kext-dev-mode=1 brcmfx-country=#a -v)

It goes into a bunch of codes and then restarts straight away after mentioning "attempting..."

HELP! PLEASE! I FEEL SO CLOSE YET SO FAR!

I had the same problem with my 9550 when I used 970 evo to install.
the solution worked when I installed 10.15.1 earlier this year
I just changed OsxAptioFixXXX.efi to test2-2016.efi

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