Fixing the “root=UUID not found” error after cloning an SSD with Clonezilla

When Clonezilla says root=UUID not found

Cloning a bootable SSD with Clonezilla is usually painless, but the new machine can stall at the kernel prompt with:

root=UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx not found

The kernel can’t locate the root filesystem because the UUIDs in the boot configuration still point to the original disk. The fix is a handful of targeted edits and rebuilds.

1. Verify the new UUIDs

Boot from a live USB, open a terminal and list the block devices:

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