macbook will no turn on

[manchito]

flickering logo and won't turn on. i have tried holding some keys at start but no luck. any advice?

macbook 13 inch

 

[pianogrl829]

plug it in--then try again. If that doesn't work, and give that your macbook is new, call apple support. They have a couple tricks (taking out the battery, holding down another set of keys, ect.)