crwdns2934241:0crwdne2934241:0 remacberlin
crwdns2934249:0crwdne2934249:0:
There is a slim chance that your ram slots are corroded / dirty. Seen that a few times on MacBooks. Blow them out with compressed air if you haven't done that already. You can also try to clean them (very carefully) with a stiff brush. I'd take the logicboard out for this operation.
crwdns2915684:0crwdne2915684:0:
open