I ve downloaded rEFInd as you said. To open i click on the Penguin icon , is that Ok? Musst the refind always open by starting up or can Zorin open directly? Thank you very much for the good support you gave.
Yes, that is ok. You must direct that downloaded package to install to your bare metal install, however not install it on the LiveUSB.
Once installed, it will always work, you do not need to Open Any Package first - it will manage grub, so your computer just boots.
Uups I am to much beginner to understand this. Is it possible to take me by the hand step by step to do this? Thanks in advance
Sorry for the long delay - I went away for a while...
Do Not Feel Bad about hand holding - this is a bit complicated for an advanced user.
From your LiveUSB, open a terminal and run
lsblk
This will list the devices, you must identify the drive you have Zorin OS installed on.
That will be the large EXT4 partition.
You must also identify your EFI Partition.
I do not know if you have already ID'd them - but for the sake of Showing the Terminal Commands; I will put the generic /dev/sda1 and /dev/sda2
You must replace those in each of the below commands with your actual device partition ID's.
So after you run lsblk and get the output, there is no shame in verifying you have them ID'd correctly here in thread first.
Next step is to mount the partitions:
sudo mount /dev/sda1 /mnt
sudo mount /dev/sda2 /mnt/boot/efi
Once mounted, you must bind chroot. Copy and Paste this into the LiveUSB terminal - you can open this page on the LiveUSB session for ease:
for i in /dev /dev/pts /proc /sys /run; do sudo mount --bind $i /mnt$i done
Now, use chroot to enter your installed system:
sudo chroot /mnt
Install rEFInd:
sudo apt update && sudo apt install refind
sudo refind-install
Watch For Errors. While you may not see any - you want to know if there are any. You have had headaches plenty with this problem, so stay alert.
If all installed with no errors, now in that LiveUSB terminal run
exit
This next step may seem redundant, but I repeat: Headaches a plenty. Let's be cautious.
sudo umount -R /mnt
Run this command - I would not call it optional. Instructing proper reboot from the terminal runs the proper safe shutdown and reboot procedure.
I am still being cautious with this step, rather than you just rebooting.
sudo reboot
Once the computer flickers off, you can pull the USB Stick from the port if you fear it autobooting to the LiveUSB.
HOPEFULLY, this will allow options to boot Zorin OS - and access an earlier kernel...
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Thank you very much for your great work here. I will copy this and save it to execute this with someone who s a bit fitter than I am . for the time I can work. My most urgent thing now is how the get the fan stop running all the time so high (Imac) . Many thanks Aravisian , so good what you do here.
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It might also be worth considering sticking with Zorin 17 as it worked well. It will still be supported for another year. Older versions with older kernels often run better on older computers and have better driver support.
Thanks
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