BootCurrent: 0004 Timeout: 0 seconds BootOrder: 0004,0002,0001 Boot0000* Linux HD(1,MBR,0x2d75747,0x800,0x1ca3800)/File(\EFI\centos\grub.efi) Boot0001* UEFI: SAMSUNG MZVLB1T0HALR-000L7, Partition 1 HD(1,GPT,HASH_D44-B28E-2F85-AC3C-75A337D5F2EF,0x800,0x12c000)/File(\EFI\Boot\BootX64.efi)..BO Boot0002* CentOS Linux HD(1,GPT,HASH_D44-B28E-2F85-AC3C-75A337D5F2EF,0x800,0x12c000)/File(\EFI\centos\shimx64.efi) Boot0004* ubuntu HD(1,GPT,HASH_D44-B28E-2F85-AC3C-75A337D5F2EF,0x800,0x12c000)/File(\EFI\ubuntu\shimx64.efi)