iMac 4.1 installation of lmde Cindy boot issue

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Dis0wned
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iMac 4.1 installation of lmde Cindy boot issue

Post by Dis0wned » Mon Nov 05, 2018 11:28 am

Good morning all, I just finished installing LMDE Cindy on my old iMac. During the install, I deleted the existing Mac partition and gave Mint the entire disk. After install, the iMac booted to a file folder with a question mark flashing. I went through the install 3 times, I tried manually partitioning and installing with the same outcome. It appears that either the boot path is not being written to the mbr or the iMac is ignoring it. Either way, does anyone know of a solution to this issue?

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webwrx
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Re: iMac 4.1 installation of lmde Cindy boot issue

Post by webwrx » Fri Nov 09, 2018 6:13 pm

Dis0wned wrote:
Mon Nov 05, 2018 11:28 am
Good morning all, I just finished installing LMDE Cindy on my old iMac. During the install, I deleted the existing Mac partition and gave Mint the entire disk. After install, the iMac booted to a file folder with a question mark flashing. I went through the install 3 times, I tried manually partitioning and installing with the same outcome. It appears that either the boot path is not being written to the mbr or the iMac is ignoring it. Either way, does anyone know of a solution to this issue?
This is a few days old now. Have you had anymore progress?

I'm definitely not an expert but I've had a little experience installing Linux on Macs.

Make sure you have a small FAT32 partition (about 500MB) at the start of your drive e.g. /dev/sda1 and it's mounted as an EFI boot partition (/boot/efi) which you should be able to set when you're doing the manual partitioning during setup. Here are some (outdated) instructions I used (years ago!) when converting an old iMac over to Ubuntu. Most of it should be still relevant https://help.ubuntu.com/community/MacBookPro11-1/Saucy

In step 5 you'll probably find newer distros already have efibootmgr included you can probably skip the install efibootmgr ... but then run the efibootmgr to see what your system is trying to do. There's a bit of info on using efibootmgr here https://www.linuxbabe.com/command-line/ ... r-examples (although these instructions are for quite a complicated system -- in my experience I only usually see 2 or 3 entires in the boot order).

I hope this gets you started !!

Cheers,
Ben
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