#EFIBootPartitionUbuntu18.04 #EFIBootPartitionUbuntuInstallation #SeagateInternalHardDrive #HardDrivePartitionSoftware #EFIBootPartitionWorking #EFIBootPartitionLinux #IFinallyGotMyEFIBootParititonWorking #SeagateSATASlaveDrive #SeagateHardDisk #SeagateHardDrive #SATA #ST4000DM004 #InternalHardDrive #CloneZilla #Partclone #gdisk #BootRepair #ConvertMBRtoGPTWithoutDataLoss