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In this article, you will learn:
  • I. What is Partition? (Defining Partition)
  • II. How to Partition a Hard Drive on Windows 11/10/8.1/7
  • III. How to Partition a Hard Drive on Mac
  • IV. How to Partition a Hard Drive on Linux
  • V. Partition a Hard Drive with a Free Partition Manager
  • How to Repair or Fix Partition Errors on a Hard Drive

Overview: What do disk partitions mean to you?

Some disks come with only one partition by default, but most have an unallocated space that isn't partitioned. An unpartitioned drive won't work – internal and external hard drives, as well as removable devices (USB drives, flash drives, memory cards, memory sticks, etc.) must be partitioned to function. This article is for those who want to partition but lack the basic knowledge. Read on to learn what disk partitioning is and how to partition a hard drive.

Hard disk partition

I. What is Partitioning? (Defining Partitioning)

Disk partitioning involves dividing a hard drive or other storage device into multiple distinct sections. Creating partitions is often done to help organize programs and data, allowing different types of information or operating systems to be stored in separate locations.

You can see the partitions in Disk Management. They are the little rectangles after Disk 0 or Disk 1.

Use Disk Management to check the disk partitions Use Disk Management to check the disk partitions

Disk Partition Types - Primary, Logical, and Extended Partitions

Disk partition types usually include three categories: primary partitions, extended partitions, and logical partitions. A hard disk can have up to three primary partitions and one extended partition, or multiple primary partitions without any extended partition. However, at least one primary partition must be created, and at most one extended partition can be created. The total number of primary and extended partitions cannot exceed four. Multiple logical partitions can be created within an extended partition.

Hard Disk Partition Style - Infographic

Hard Disk Partitioning and File Systems

After partitioning a hard drive, you need to format the partitions with a file system to store data.

    • Windows drives - NTFS file system.
    • Removable devices - exFAT, FAT32 file systems.
    • Linux partitions - ext2/3/4 file systems.
    • Mac drives - APFS, HFS, HFS+ file systems.

Need to partition the disk?

There must be at least one partition! Files and programs cannot be stored on an unpartitioned blank disk.

Disk management helps you organize your disk space and enhance disk performance. When you partition a disk, you divide it into separate areas, each of which can be used for a different purpose.

Here are the advantages of partitioning a hard drive:

(ii) Benefits disk performance

Easier data portability

Indeed, partitions are a versatile tool that can be used in several ways to help boost disk performance and organization.

Dual-boot: If you want to run Linux on a computer that also has Windows, you can install it on a separate partition.

Tip - Should I create multiple partitions on all disks?
For users of removable devices - we don't mind having several partitions on internal storage, but for USB drives it's the opposite. It's better to keep it simple with just one partition. Otherwise, when you connect your USB drive to a computer, several drives will appear on the desktop. For the sake of protecting your computer from damage, you can create more than 2 partitions on a hard disk.

Read More: Repartition Hard Drive

II. How to Partition a Hard Drive on Windows 11/10/8.1/7

Disk partitions are typically created during the operating system installation, but they can also be modified using the disk management tools provided by most operating systems. Follow the instructions to create a partition for Windows 10/11 first, and leave it unformatted.

How to Partition a New Hard Drive

Step 1: Initialize the new disk.

    1. Right-click the Windows icon and select "Disk Management" from the list. 2. Once it opens, right-click on the disk and choose "Initialize Disk." You'll see a message like "The disk must be initialized before it can be used by Disk Management." 3. Select the partition style as MBR or GPT (choose MBR if your disk drive is less than 2 TB. Otherwise, opt for GPT). 4. Click OK.

Initialize Disk

Read also: Open Disk Management in Windows 11

Step 2: Create and format the disk partitions

    2. Right-click on the “Unallocated” space, then select “New Simple Volume”.

New Simple Volume Wizard

    < li > The New Simple Volume Wizard will open. Click < b > Next < /b > . Enter the size of the volume, then select < b > Next < /b > .< /li > < li > Choose a drive letter, then select < b > Next < /b > .< /li > < li > In the Format Partition dialog box, verify the default settings, then select < b > Next < /b > .< /li >

Create a simple volume

    Choose “Finish.”

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Learn More

Check out the in-depth tutorials on how to partition a hard drive in Windows.

Other tutorials: How to partition an existing (external) hard drive:

Extend C Drive in Windows 10
Combine Partitions in Windows 10 for Free
Resize Partition in Windows 10
Delete All Partitions on Windows 10 at Once
Show or Hide Hidden Partition in Windows 10

Add a Partition to a Hard Drive on a Mac

    Launch Disk Utility > Select the target drive > Click the "Partition" button in the toolbar > Click the "+" icon > Name the partition and set its size > Click "Apply"

Partition a Hard Drive on Mac

Note: You'll need to use the HFS+ file system to partition an older version of macOS. However, according to Apple, if you're using a newer version with the APFS file system, you can create a sparse volume on a single partition instead.

    Create a volume: Open Disk Utility > select the drive > click the “+” (plus) icon > enter a volume name and format it as APFS > click “Add.”

Create a disk partition on Mac

4. How to Partition a Hard Drive in Linux

Use the `fdisk` command to create and format disks:

Step 1. Enter sudo fdisk -l to list all existing partitions.

Create partition with fdisk

Step 2. Type sudo fdisk /dev/sdb to select the disk.

Step 3. Type the command to create the new partition:

    • n
    • 2
    • 3622912
    • +2GB
    • w
    This is an unordered list in HTML format: 1. "n" 2. "2" 3. "3622912" 4. "+2GB" 5. "w"

Create partition with fdisk - Step 2

Step 4. Enter the command to format the partition.

Use the sudo command to create an ext4 file system on the /dev/sdb1 partition.

Format Partition with fdisk

V. Partition a hard drive with a free disk partition manager

"Disk Management" allows for quick partitioning without third-party software, but doesn't allow for much in the way of customization. If you need more than basic creation and formatting, seek out a disk partition tool. Disk partition software will allow you to change partitions on your hard drive with just a few clicks.

tools Partition Master Free is a disk partition tool that allows users to create, resize, format, and delete partitions on their hard drives. The software also supports dynamic disks and RAID arrays. Additionally, tools Partition Master includes various features aimed at boosting disk performance, such as disk cloning.

How to use Partition Master tool for hard disk partitioning

Query: What is the best free disk partition tool for Windows?

1. Partition Master 2. Paragon Partition Manager 3. Acronis Disk Director 4. Gparted 5. Partition Wizard 6. Disk Management 7. DiskPart

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Learn More

Get the full guide on the top 7 disk partitioning tools.

How to fix or solve hard disk partition errors

1. "We cannot create a new partition" error

This error may occur when you are trying to install a second operating system on a bootable device. To fix this, try disconnecting all external devices from your computer, formatting your hard drive, or setting your partition as active.

Solution: We could not create a new partition or locate an existing one

2. "Windows cannot be installed to this disk" error

Have you seen either of these errors?

  1. X Windows cannot be installed to this disk. The selected disk is of the GPT partition style.
  2. X Windows cannot be installed to this disk. The selected disk has an MBR partition style.

"The installation of Windows cannot proceed on the hard disk partition" is a common error that usually occurs when attempting to install Windows on a computer. This issue can be caused by several factors, with the most frequent one being incompatibility between your hard disk partition format and the version of BIOS.

Read two in-depth tutorials to address the issue:

"Frequently Asked Questions About Hard Disk Partitioning"

How many active partitions can a hard drive have?

An active partition is the partition that is used when the computer starts up. Only one partition on a system can be set as active.

How many disk partitions should I have?

You can keep at least two partitions – one for the Windows operating system and another for your personal data.

Which of the following device files represents the first primary partition on the second PATA hard drive?

Four choices:

    • /dev/hdb1
    • /dev/hdc2
    • /dev/hdc1
    • /dev/hda1

/dev/hdb1 is the correct choice.

How to fix "Startup Disk Cannot Be Partitioned or Restored to a Single Partition"?

Apple recommends that you have at least 64 GB of free space on your startup disk. If you don't have enough space, you can learn how to free up storage on your Mac at Free up storage on your Mac.