Recommended to use 8 GiB or larger SD-card.
Step 1: Download Debian eMMC flasher image from
Step 3: Open terminal, check which path is SD-card using
diskutil list
Step 4: Unmount only the first partition using
diskutil unmount /dev/disk#s1
Step 5: Using 7-Zip, unpack the img.xz so that a file of around 2 GiB appears. This is the disk image.
Step 6: Write image to SD-card using
sudo dd if=/Path/To/BBB-eMMC-flasher-debian-7.4-2014-04-23-2gb.img of=/dev/rdisk# bs=1m
Step 7: After dd reports success, eject the SD-card using
sudo diskutil eject /dev/rdisk#
Step 8: Insert SD-card into Beaglebone Black, keep "BOOT" button nearest to the SD-card pressed while powering up. After a few seconds the lights will start to blink from 1 to 4 full LEDs, while it transfers to the eMMC. Just wait some minutes.
Step 9: Power down, remove SD-card then power up again. Log in using default username debian and password temppwd
Step 8: Insert SD-card into Beaglebone Black, keep "BOOT" button nearest to the SD-card pressed while powering up. After a few seconds the lights will start to blink from 1 to 4 full LEDs, while it transfers to the eMMC. Just wait some minutes.
Step 9: Power down, remove SD-card then power up again. Log in using default username debian and password temppwd
Additional support: http://elinux.org/Beagleboard:Debian_On_BeagleBone_Black
General support: http://www.elinux.org/Beagleboard:BeagleBoneBlack