How to Create a SD Card Bootdisk

By Ezekiel James

So many computer users rely on their machines for virtually everything. But what happens when your main hard drive crashes? Using an SD card as your bootable disk can help you recover files that would otherwise be lost forever with a bad hard drive. Although this may sound overly technical and difficult, it's much easier than you think. It does not require much technical knowledge and can be accomplished in minutes.

Make SD Card bootable on Mac

Step 1

Insert SD card into the internal or external SD card reader, then wait for your Mac to recognize the SD card.

Step 2

Double-click on the hard-drive icon on your desktop. Go to "Applications," then "Utilities" and open the "Disk Utility." application.

Step 3

Select your SD card from the left panel in "Disk Utility." Then select the "Partition" tab and under "Volume Scheme" change it to one partition.

Step 4

Go to the "Volume Information" section and name your SD card "SD_BOOT." Then select "Mac OS Extended Journaled" under "Format."

Step 5

Click on the "Options" button, select "GUID Partition Table," then click "OK."

Step 6

Click on the "Apply" button, then select "Partition."

Make SD Card Bootable on Windows

Step 1

Insert your SD card into your external card reader, then wait for Windows to recognize your SD card.

Step 2

Hit "CTRL + SHIFT + ENTER" to open the "Command Prompt" application, then type in the command, "DISKPART" and hit "ENTER."

Step 3

Type "LISTDISK" and hit "ENTER," then type in your disk number and hit "ENTER" again. Your disk number will either be "DISK 1" or "DISK 2." After you enter your disk number, you can verify which disk number matches your SD card by matching the size of each disk with the corresponding number.

Step 4

Enter the following commands individually followed by the "ENTER" key:"SELECT DISK1" or "SELECT DISK 2""CLEAN""CREATE PARTITION PRIMARY""SELECT PARTITION 1""ACTIVE""ASSIGN""EXIT"