I had same problem and fix was easy,go to your boot device menu and pick your liveUSB but not the UEFI (UEFI:Jetflash........)one.
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- Sat Mar 11, 2017 3:09 am
- Forum: Installation & Boot
- Topic: "The 'grub-efi-amd64-signed package' failed to install into /target/."
- Replies: 32
- Views: 17694