How To Delete a Hard Drive Partition In Windows 7

Delete the partition on a hard drive in Microsoft Windows 7 in order to prepare it to become a mirrored, extended or standalone volume. Deleting the partition is a fast method to erase the data on a hard drive partition in Windows 7, and it is a logical step in the Windows 7 installation process. Use the deleted partition as free space by creating one or more new partitions in the space where the old partition was, or extend an existing partition onto the space formerly used by the deleted partition.

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The physical layout of a hard drive is organized into one or more virtual partitions.

Disk Management

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Back up any important files or settings prior to deleting any partitions even if the data resides on a partition that is not targeted for deletion.

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Click "Start" (Windows Orb), "Control Panel" and "System and Security."

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Click "Create and Format Hard Disk Partitions" under "Administrative Tools." Enter the administrator password if prompted.

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Right click on the partition that is to be deleted and click "Delete Volume" from the context menu.

Windows Setup Disc

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Back up any important files or settings prior to deleting any partitions even if the data resides on a partition that is not targeted for deletion.

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Insert the Windows 7 setup disc into the optical drive. Cancel the setup program when it runs as well as any other prompts that appear.

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Restart the computer by clicking "Start" (Windows Orb), pointing at the menu arrow to the right of the "Shutdown" button, and clicking "Restart."

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Press "Enter" when the system prompts to boot from the CD/DVD drive.

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Click "Next" at the language selection screen, and click "Install Now" on the next screen.

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Accept the license terms and click "Next."

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Click "Custom (advanced)."

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Click on the partition that is to be deleted to select it.

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Click "Delete" and click "OK" for the warning dialog box to delete the partition.