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Can't Boot Into High Sierra After Ubuntu Install

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Hi all,

I'm looking for some advice on how to fix my setup, I did have High Sierra running perfectly and pretty disappointed to have broken my setup. I have installed Pop_OS(Ubuntu) on a separate drive and can no longer boot OSX from USB or SSD. I can boot into clover from USB but it no longer shows my OSX partition as a boot option and clover will not boot at all from my hard drive.

Here is an image of efibootmgr


I have OSX on /dev/sda and Ubuntu on /dev/sdb

In Gparted for both drives I have:



And the mounted folder for the sda EFI partition shows the usual files.


Could anyone please advise how I can go about fixing this please? :wallbash

All images on imgur as I couldn't upload them..

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