Amazon recently issued a small update to the Amazon Echo and other devices with the Amazon Alexa AI installed. If you’re a fan of Star Trek (or Radio Head), you can now say “Computer†or “OK Computer†instead of “Hey Alexa.†It’s really easy to do, so we’ll walk you through how to change the proper settings.
You’re all set! Now you can say “Hey Computer,†or “OK Computer†to pull up the Alexa AI whenever you want. I’m still waiting for Jarvis.
Article source: http://www.technobuffalo.com/2017/01/24/how-to-change-alexa-name-to-computer/