Totally stuck with NVME and OCLP

[Guest Lyndon92]

Hi everyone,

 

I bought a Mac Pro 4.1, flashed it 5.1.

I added a PCI Express LyCOM DT-120 with a Sabrent SSD NVME.

 

Now i'm using OCLP to have boot screen, everything's fine but when i want to install Big Sur with OCLP, the install process will start normally.

Then arrived at 12 mins remaining, it suddendly reboot (maybe normal) , then i can't pick my NVME ssd to boot. Only Sata are displayed.

However, if i boot on sata MOJAVE, i can see my SSD NVME show on desktop.

Does anyone has a fix ...

 

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Source: MacRumors