[Bug 1926514] Re: iMac late 2012 won't boot (Apple white screen)

[Dan Bungert]

This may be a duplicate of #1921134.

If you're interested, consider this:
https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1921134/comments/3

Or the updated packages should be available in a week.

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https://bugs.launchpad.net/bugs/1926514

Title:
  iMac late 2012 won't boot (Apple white screen)

Status in grub2 package in Ubuntu:
  New

Bug description:
  I had a Kubuntu hirsute installation since mid february and all was smooth.
  After an upgrade around early april the iMac (a late 2012 27" iMac) wouldn't boot, but remained stuck with the initial white screen (after the Apple sound).
  I tried also a clean installation of kubuntu 21.04, but the problem persisted (live usb boots fine, but once installed it won't boot).
  Kubuntu 20.10 boots just fine.
  I don't know if the blame belongs to grub or another package.

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