How to Partition an SD Card

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Partition your SD card on Windows, Mac, or Android
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Partitioning your SD card will allow you to protect and isolate certain sensitive files, create backups of programs and operating systems, and can even help enhance the performance of your computer or device.

Method 1
Method 1 of 3:

Windows

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    ” The Control Panel window will display on-screen.
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    ”
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    ” The application will launch and display on-screen.
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    ”
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    ”
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    ”
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    ”
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    ” Your SD card will now be partitioned. [1]
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Method 2
Method 2 of 3:

Mac OS X

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    ”
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    ”
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    • If you want to use your SD card as a startup disk, click on “Options,” and select “GUID Partition Table.”
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    ” Your SD card will now be partitioned.
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Method 3
Method 3 of 3:

Android

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    ”
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    ”
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    Swap size is the amount of megabytes that can be used to cache memory to help free up RAM for other programs.
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    ” Your Android device will enter recovery mode, and partition your SD card.
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    Your SD card will now be partitioned. [2]
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  • Question
    Can I partition an SD card without wiping its content?
    Denneisk
    Top Answerer
    Sadly, no. Backup the information onto a separate drive before partitioning it.
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      Tips

      • Back up all data on your SD card to your computer, cloud network, phone memory, or other storage location prior to creating a new partition. Partitioning your SD card will erase all data.
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      References

      1. ↑ http://windows.microsoft.com/en-us/windows/create-format-hard-disk-partition#create-format-hard-disk-partition=windows-7
      2. ↑ http://theultralinx.com/2011/10/how-to-partition-your-sd-card-with-rom-manager/

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