3 Ways to Partition an SD Card

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2024 Author: Samantha Chapman | [email protected]. Last modified: 2023-12-17 09:13

Partitioning an SD card is useful for isolating sensitive or personal files, creating a backup drive for programs and operating system, or even improving the performance of your computer or mobile device. SD cards can be partitioned using a Windows computer, Mac or Android device.

Steps

Method 1 of 3: Windows

Step 1. Insert the SD card into your computer's reader

If your computer doesn't have an SD card reader, you can purchase an external USB one.

Step 2. Go to the "Start" menu and click on the "Control Panel" item

The Windows "Control Panel" window will appear.

Step 3. Click on the "System and Security" category, then select the "Administrative Tools" link

Step 4. Click on the "Computer Management" icon

The "Computer Management" system application window will appear.

Step 5. Click on "Disk Management", located in the left pane of the window in the "Storage" section

Step 6. Select the SD card name with the right mouse button, then choose the "New Simple Volume" option from the context menu that will appear

Step 7. Click on the "Next" button displayed in the "New Simple Volume Wizard" window that appears on the screen

Step 8. Type the size you want to set for the new partition, then click the "Next" button

Step 9. Choose the drive letter that will be used to identify the new partition, then click the "Next" button

Step 10. Choose whether you want the new partition to be formatted or not, then click the "Next" button

Step 11. Click on the "Finish" button

At this point, the SD card has been partitioned successfully.

Method 2 of 3: Mac

Step 1. Insert the SD card into your computer's reader

If your Mac doesn't have an SD card reader, you can buy an external USB one.

Step 2. Open the "Applications" folder, then click on the "Utilities" directory

Step 3. Click on the "Disk Utility" icon

Step 4. Click on the SD card name listed in the left pane of the "Disk Utility" window

Step 5. Click on the "Partition" tab displayed at the top of the "Disk Utility" window

Step 6. Click on the "Volume Scheme" drop-down menu, then choose the number of partitions you want to create on the SD card

Step 7. Click on each partition and name each of them, then choose the file system format and set a size

If you want to use the SD card as a startup disk, click the "Options" button, then choose the "GUID Partition Table" item

Step 8. Click the Apply button"

At this point, the SD card has been successfully partitioned.

Method 3 of 3: Android devices

Step 1. Verify that the SD card you want to partition is inserted into the Android device

Step 2. Access the Google Play Store from your Android device

Step 3. Search and download the ROM Manager app developed by ClockworkMod

Alternatively, you can install the ROM Manager app by visiting the website

Step 4. Launch the ROM Manager app after the installation is complete

Step 5. Select the "Partition SD Card" item

Step 6. Choose the partition size using the "Ext Size" pop-up

Step 7. Select a value from the "Swap Size" menu

This is the number of MB of the SD card that can be used as cache memory, in order to free up RAM for other programs and apps.

Step 8. Press the "OK" button

Your Android device will restart in "Recovery" mode and the SD card will be partitioned.

Step 9. Choose to restart the device when prompted

At this point, the SD card has been partitioned successfully.

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Table of contents:

Steps

Method 1 of 3: Windows

Step 1. Insert the SD card into your computer's reader

Step 2. Go to the "Start" menu and click on the "Control Panel" item

Step 3. Click on the "System and Security" category, then select the "Administrative Tools" link

Step 4. Click on the "Computer Management" icon

Step 5. Click on "Disk Management", located in the left pane of the window in the "Storage" section

Step 6. Select the SD card name with the right mouse button, then choose the "New Simple Volume" option from the context menu that will appear

Step 7. Click on the "Next" button displayed in the "New Simple Volume Wizard" window that appears on the screen

Step 8. Type the size you want to set for the new partition, then click the "Next" button

Step 9. Choose the drive letter that will be used to identify the new partition, then click the "Next" button

Step 10. Choose whether you want the new partition to be formatted or not, then click the "Next" button

Step 11. Click on the "Finish" button

Method 2 of 3: Mac

Step 1. Insert the SD card into your computer's reader

Step 2. Open the "Applications" folder, then click on the "Utilities" directory

Step 3. Click on the "Disk Utility" icon

Step 4. Click on the SD card name listed in the left pane of the "Disk Utility" window

Step 5. Click on the "Partition" tab displayed at the top of the "Disk Utility" window

Step 6. Click on the "Volume Scheme" drop-down menu, then choose the number of partitions you want to create on the SD card

Step 7. Click on each partition and name each of them, then choose the file system format and set a size

If you want to use the SD card as a startup disk, click the "Options" button, then choose the "GUID Partition Table" item

Step 8. Click the Apply button"

Method 3 of 3: Android devices

Step 1. Verify that the SD card you want to partition is inserted into the Android device

Step 2. Access the Google Play Store from your Android device

Step 3. Search and download the ROM Manager app developed by ClockworkMod

Alternatively, you can install the ROM Manager app by visiting the website

Step 4. Launch the ROM Manager app after the installation is complete

Step 5. Select the "Partition SD Card" item

Step 6. Choose the partition size using the "Ext Size" pop-up

Step 7. Select a value from the "Swap Size" menu

Step 8. Press the "OK" button

Step 9. Choose to restart the device when prompted

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