crwdns2934241:0crwdne2934241:0 mchlgrblsk

crwdns2947189:0crwdne2947189:0:

Replaced logic board. Chime, black screen, nothing else.

crwdns2934249:0crwdne2934249:0:

I replaced the logic board in order to fix a "white screen".  Now  there is  a healthy chime, but nothing else but black screen.

crwdns2866306:0crwdne2866306:0:

iMac Intel 20" EMC 2133 and 2210

crwdns2915684:0crwdne2915684:0:

open