crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

You seem to have a lot of different Macs.

First try disconnecting the battery from the logic board.  Also the mag-safe.

Press and hold the power on button for 5 seconds.  Reconnect and give it a try.

A history of the machine might help.  Let us know if your get anything, lights sounds, etc.

crwdns2915684:0crwdne2915684:0:

open