How To Fix Macbook Beeps 3 Times and Won't Turn On - YouTube
MacBook Pro Won't Turn On | Best 17 Fixes - iMacNerd
MacBook air 3 beeps black screen fix | AppleFix Hamilton Call 078394188
Early 2011 MacBook Pro - 3 Beeps when starting and has a black screen. Apple Genius said it was a problem with the original RAM so I ordered replacement RAM and installed