This comes up when trying to restore my 2012 MacBook Pro from factory settings any ideas what to do? : r/applehelp
Amazon.com: Odyson - Logic Board 2.5GHz Core i5 (i5-3210M) Replacement for MacBook Pro 13" Unibody A1278 (Mid 2012) : Electronics
A1278 Keyboard (US Layout) for Apple MacBook Pro 13 inch A1278 (Mid 2009 - Mid 2012) - MacWave
LFC#167 - 3 Beeps on MacBook Pro (2009 - 2012) - YouTube
MacBook Pro (mid 2012) can't start with 3 alarms and sometimes can't wake from sleep - Ask Different
LCD Screen full Display assembly for Apple MacBook Pro 15-inch A1398 Retina, Compatible year : (i) Mid 2012-Early 2013, EMC 2512 (ii) Late 2013-Mid 2014, EMC 2674 and (iii) Mid 2015, EMC 2910 (three different versions) - WIT Computers
2021 M1 Macbook Pro just beeping randomly? More info in comments : r/macbook
Le MacBook émet 3 bips: Ce que ça signifie et comment le réparer
Réparation Macbook Air - problème de mémoire RAM - 3 beeps / 3 bip - TotalGsm