Re: SOLVED - Need a little help to fix broken grub2 - error 15
Your Error 15 ... somehow, probably, you had some corrupt files in /boot/grub, who knows for sure. But your re-install somehow cleaned it all up. These issues (upon booting) tend to occur right after you do some new bootloader installation as you had done. Like you say, you fixed it!
One lesson might be, with GRUB 2, either update-grub (actually, you should use grub-mkconfig) and/or grub-install will fix many things, even when you don't know why.
Your Error 15 ... somehow, probably, you had some corrupt files in /boot/grub, who knows for sure. But your re-install somehow cleaned it all up. These issues (upon booting) tend to occur right after you do some new bootloader installation as you had done. Like you say, you fixed it!
One lesson might be, with GRUB 2, either update-grub (actually, you should use grub-mkconfig) and/or grub-install will fix many things, even when you don't know why.
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