crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

First reset the SMC, here's how: http://support.apple.com/kb/HT3964?viewlocale=en_US

ED #1 + LED #2 + LED #3 = Power available, system is powered on, and video card found.

If third LED is not visible after power on:

• Verify that MXM video card is seated properly

• Verify logic board

crwdns2915684:0crwdne2915684:0:

open