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→To calculate a file's SHA-1 checksum
* Download the USB boot helper [http://download.sugarlabs.org/soas/releases/soas-2-boot.iso soas-2-boot.iso]<br>Verify the file was downloaded properly ''by calculating its [http://download.sugarlabs.org/soas/releases/SHA1SUM SHA-1 checksum]''<br>For protection against tampering and transmission errors, '''always compare the checksum of each download'''.
* Download the USB boot helper [http://download.sugarlabs.org/soas/releases/soas-2-boot.iso soas-2-boot.iso]<br>Verify the file was downloaded properly ''by calculating its [http://download.sugarlabs.org/soas/releases/SHA1SUM SHA-1 checksum]''<br>For protection against tampering and transmission errors, '''always compare the checksum of each download'''.
* Open the disk Utility. Drag the downloaded soas-2-boot.iso to the bottom of the list.
* Open the disk Utility. Drag the downloaded soas-2-boot.iso to the bottom of the list.
* Press the Burn button. Insert a blank disc when prompted.
* Select the Disc Image in the list, then press the Burn button.
* Insert a blank disc when prompted.
* During the startup sound, press and hold the letter C.<br> If the apple logo appears, Sugar is not booting. Restart and try again.
* During the startup sound, press and hold the letter C.<br> If the apple logo appears, Sugar is not booting. Restart and try again.
**the C key must be pressed during the startup sound and you must continue to hold it down.
**the C key must be pressed during the startup sound and you must continue to hold it down.
**you may release the c key once the sugar logo appears.
**you may release the c key once the sugar logo appears.
==== Mac Boot Bugs ====
==== Mac Boot Bugs ====