MacBook Pro intermittently won't start with fan running stronglyRunning Apple Hardware Test turns up error message 4HDD/11/40000000:SATA(0,0) SATA cable (on your advice) and hard drive...
How do I get hold of El Capitan installer. Apple won't supply.My end of 2011 macbook pro is supposed to accept Sierra but freezes when I tried installing it. I need an operating system...
Answer to "MacBook Pro intermittently won't start with fan running strongly"Eventually decided it was the main logic board, and it all became too hard, so ditched it. I hope you have better luck