crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

You may need to post a picture of what's happened.  Meanwhile, here's the guide on replacing the RAM, maybe you can figure out from it what has happened:

[guide|481]

crwdns2915684:0crwdne2915684:0:

open