three beeps at startup
I have a MacBook Pro A1502 Retina Late 2013 that beeps three times about every 5 seconds when trying to start. What to do?
MacBook Pro
<< beeps three times about every 5 seconds when trying to start >>
that correlates with RAM memory problems.
Unfortunately, the RAM on all Retina and later MacBook Pro models is soldered in place for maximum possible reliability. No user changes are possible.