Mac: Startup - 3 Repeating Beeps

Created on: May 8, 2013
Last updated: August 24, 2015

If your Mac is sounding 3 successive beeps with a five second pause in between, it means the RAM in your computer has not passed the data integrity test run at startup.

https://support.apple.com/en-us/HT202768

If you recently installed OWC RAM, please contact our Technical Support team.