Submitted by rezuan on Tue, 05/09/2017 - 7:06pm
Note : This is a very dangerous process. If you wrongly set the partition of the hard disk, the damage is not reversible. Contact Rezuan for more tips and tricks on doing it safely.
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Insert your SD card make sure it is firmly inserted in your card reader.
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Identify your SD card partition label identify which partition is being used for the SD card.
Note : This is the crucial step of identifying the correct partition to be used. Beware and be very careful.diskutil list
/dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *160.0 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_HFS Macintosh HD 159.2 GB disk0s2 3: Apple_Boot Recovery HD 650.0 MB disk0s3 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *4.0 GB disk1 1: Windows_FAT_32 boot 58.7 MB disk1s1 2: Linux 3.9 GB disk1s2
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Unmount the SD Card Make sure you identify the correct destination disk, in my example it’s /dev/disk1
diskutil unmountDisk /dev/disk1
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Format the SD Card Format it as FAT32
sudo newfs_msdos -F 32 /dev/disk1
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Locate the image & clone to the SD card it will took about 15 minutes to be done
time sudo dd if=~/Desktop/Orwell-4GB.dmg of=/dev/rdisk1 bs=5m