What is an ‘active’ partition?
Question by KamilKozyra /

I have a few hard drive partition questions.

What does “make a partition active” mean? Does it put it into the boot menu? If not, how do I add a hard drive’s system image into a PC’s boot menu?

Thanks! :)

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Answers (20)
  • Ramón García

    This is the partition the computer boot from

  • Joel Jacob

    An active partition is a partition on a hard drive set as the bootable partition that contains the operating system. Only one partition on each hard drive can be set as an active partition or bootable partition. For example, if you are using Microsoft Windows the partition that contains Windows is the active partition.

  • Adriel Tan

    An active partition basically means that the computer will boot from that partition. DO NOT change it if you do not know what you are doing. Doing so may result in data lost.

  • Felix Göhringer

    An active partition is the partition your computer will boot from. There can be only one active partition at a time.

  • dhanunjayarao chunduri

    The MBR (Master Boot Record) contains information about the status
    and the location of all partitions on your system. The ‘active’ (active partition) status simply tells our system which partition to boot from. This partition
    must contain an OS (Operating System), otherwise it cannot be used
    as a boot able partition.

  • Duy Nguyen Minh

    Use Hirent boot cd active partition. it easy.

  • Usman Mubashir

    the HDDs you can view in My Computer are active,

  • Prasanth Mathialagan

    As everybody mentioned, active partition is the one in which operating system resides. It is possible to convert your current windows 7 operating system into a system image(vhdk file) and export into an external hard drive(so that you can carry your os with you!! sweet!! isn’t it??). You can boot from it by changing the boot priority. I’m not sure whether it is possible to make the image appear in the boot menu.

  • maria

    The active partition is the partition where the boot flag is set.

    A boot flag is a 1-byte value in a non-extended partition record, within a master boot record. Its primary function is to indicate to a MS-DOS/MS Windows-type boot loader which partition to boot. In some cases it is used by Windows XP/2000 to assign the active partition the letter “C:”


  • Rakesh Mishra

    you can use Active Partition Manager which is a freeware application that helps you to manage storage devices and the logical drives or partitions that they contain. You may create, delete, format and name partitions on your computer without shutting down the system. Most configuration changes take effect immediately.

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