Do an SMC reset, as you were instructed, then a PRAM reset. To achieve a good PRAM reset, boot up the machine keeping option+command+p+r and R until you hear three "boing" noises
+
Do an SMC reset, as you were instructed, then a PRAM reset. To achieve a good PRAM reset, boot up the machine keeping option+command+p+r and keep them pressed until you hear three "boing" noises
Do an SMC reset, as you were instructed, then a PRAM reset. To achieve a good PRAM reset, boot up the machine keeping option+command+p+r and R until you hear three "boing" noises