crwdns2934241:0crwdne2934241:0 Danno
crwdns2934249:0crwdne2934249:0:
MBAir or MBPro 15…either one should work when connected to power via AC adapter even WITHOUT a battery installed! If you cannot boot the laptop without the battery in place, you need to try another known-good AC adapter…to be sure of that. If still no start up, then—assuming the main/logic board (MLB) is OK—you may not be getting power to the MLB.
crwdns2915684:0crwdne2915684:0:
open