After installing a new SSD I'm getting GRUB error: no such partition

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You’ll need to chroot into your system to retrieve the requested info. This should help:

To enter a chroot environment

  1. Ensure you’ve got a relatively new ISO or at least one with an LTS kernel.

  2. Write/copy/dd the ISO to a USB thumb drive.

  3. When done, boot with the above mentioned USB thumb drive into the live environment.

  4. Once booted, open a terminal and enter the following command to enter the chroot environment:

manjaro-chroot -a

If you have more than one Linux installation, select the correct one to use from the list provided.

If sucessfully done, you should now be in the chroot environment.

But, be careful, as you’re now in an actual root environment oon your computer, so any changes you make will persist after a restart and can cause damage.

And then I’m thinking you need to reinstall grub:

Reinstalling grub from chroot environment.

Once in the live environment, you have to reinstall GRUB. To do so, run the following:

update-grub

When successfully completed, exit the chroot environment:

exit

Followed by rebooting and seeing if it worked.

If it did, feel free to heap on the praise. If, however, it didn’t, well, then I’m not here.

Tip:

To provide terminal output, copy the text you wish to share, and paste it here, surrounded by three (3) backticks, a.k.a grave accents. Like this:

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This will just cause it to be rendered like this:

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Instead of like this:

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Thereby improving legibility and making it much easier for those trying to be of assistance.

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Please edit your post accordingly.