Solved 3 Times Blinking At Right Bottom Corner And Many More Problem Macbook Pro 13 Unibody Late 2011

Chosen Solution

Black screen with 3 blinking. What problem and how to fix it?
The screen light leaking around the edge and the right speaker is not working. Should i fix it?

First reseat the RAM. Next pull one RAM chip at a time to test for a bad stick and/or bad slot. Next pull the RAM and test with one known good stick.