I've installed Manjaro KDE Testing with non-free graphic drivers. The installation option I've used was the substitution of the partition where Kubuntu 19.04 was previously installed on sda2. Another partition is /home on sda3 and has been preserved. A /boot/efi partition has been created on sda1 as suggested by Calamares. All worked fine but on reboot I've a grub page only (the "minimal bash-like line editing is supported" one). Any idea to fix?
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