BootCurrent: 0003 Timeout: 1 seconds BootOrder: 0002,0003,0004 Boot0002* ubuntu HD(1,GPT,HASH_263-B924-AD3B-10B3-13B5AC3E51C6,0x800,0x1ac800)/File(\EFI\ubuntu\shimx64.efi) Boot0003* UEFI: SanDisk PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/CDROM(1,0x2ac28,0xc0b0)..BO Boot0004* UEFI: SanDisk PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/HD(2,MBR,0x0,0x4b231c,0x302c)..BO