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

[Nicola Rosati]

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.

[Dan Bungert (dbungert)]

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.

[Mate Kukri (mkukri)]

Hi,

Are you still experiencing this issue?

[Nicola Rosati (supernaicol)]

Hi,
Sorry it's my fault, i resolved the issue sometime later via the duplicate
signaled by someone else, and i forgot to flag the bug.

Il mer 19 giu 2024, 10:50 Mate Kukri <email address hidden> ha
scritto:

> Hi,
>
> Are you still experiencing this issue?
>
> ** Changed in: grub2 (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1926514
>
> Title:
> iMac late 2012 won't boot (Apple white screen)
>
> Status in grub2 package in Ubuntu:
> Incomplete
>
> 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.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1926514/+subscriptions
>
>