Recently i dualbooted Ubuntu 12.04 on my iBook G4 just to test it out. It ran pretty bad so i booted back into OSX and nuked the partitions that had Ubuntu on it. However every time i boot the computer up i still get the Ubuntu Bootstrap Stage 1, except now it wont do anything. I can still boot into OSX by pressing down on the option key and selecting the partition but i don't want to do that. Is there a way to get rid of yaboot and put back the original apple bootloader without reinstallation?
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Restoring Mac OSX Bootloader
- Thread starter doggoli
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You could mount and trash the yaboot HFS partition (possibly /dev/disk0s2?). Check your partition map with “diskutil list”. Then delete the yaboot files, reformat or just delete the partition, (returning it to free space).
Alternatively, I believe if you just re-select the startup disk in System Preferences and give it a reboot, it will override the yaboot partition and go straight into OS X. If that doesn’t do it, reset nvram by booting into Open Firmware (cmd-opt-O-F) and then;
reset-nvram
set-defaults
reset-all
Alternatively, I believe if you just re-select the startup disk in System Preferences and give it a reboot, it will override the yaboot partition and go straight into OS X. If that doesn’t do it, reset nvram by booting into Open Firmware (cmd-opt-O-F) and then;
reset-nvram
set-defaults
reset-all
Sorry for taking long to reply, i've been really busy.
When i type diskutil list i don't see a partition that looks like it has yaboot on it, disk0s2 as you suggested is Apple_Bootstrap (Maybe that is it, idk) i tried to mount disk0s2 but it kept saying that it couldn't read/mount the partition. Resetting the nvram did nothing and selecting the disk from within system preferences also did nothing
That's likely the one. Try mounting with:
mkdir ~/yaboot
sudo mount -t hfs /dev/disk0s2 ~/yaboot
You can then sudo rm (-rf) the files. Mac OS X doesn't use this Bootstrap partition to boot, so you won't damage your OS X installation.
If you want to remove the partiton, it might be best to boot from the Ubuntu live CD and then run GParted.
Easy done
I’ve run Ubuntu Mate and Debian Jessie on my PowerBooks but found they ran hotter than under OS X.
Easy done
I’ve run Ubuntu Mate and Debian Jessie on my PowerBooks but found they ran hotter than under OS X.
Yeah, that was the reason i erased it. It would be ok but as soon as i opened any program the fans would spin up to 100%. I think Linux is best reserved for beefy G4s and G5s :/