Completing the Ubuntu installation.
Forma more installation boot options,press `ESC' now...
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[     7.831482] ACPI PCC probe failed.

BusyBox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commamds.

(initramfs) Unable to find a medium containing a live file system
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