New installation no boot


After successful installation, after the reboot, i got this:

Error unknown filesystem.
Entering rescue mode
Grub rescue >

And it is stucked there.
Thank you

Are you sure you are that you are booting the correct grub?

Can you boot off the ISO and run sudo efibootmgr and share the output?

Im ok now, i started over the installation and delete my hard disk to be sure, and it worked.

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