crwdns2934241:0crwdne2934241:0 david f

crwdns2934249:0crwdne2934249:0:

Hi I think the pram or smc reset fixes this maybe it's a pref if the first two don't work try restarting in recovery mode command r... and see if it fixes it that will tell you its software if not you could be a goner but I'm not a tech at all!!! But I did have this on one or more of my mbp

crwdns2915684:0crwdne2915684:0:

open