iMac went dead, none of the 4 diagnostic led's lit up. After replacing power supply, hear 3 short beeps that continue repeating until I turn off the computer. When first plugged in, diagnostic lite one illuminates, but when turned on, lite #2 illuminates but the beeping begins.
crwdns2934109:0crwdne2934109:0
crwdns2934065:0crwdne2934065:0: 478.9crwdns2936485:0crwdne2936485:0
35
329
970
Here's a good reference on what the tone codes mean If your Mac beeps during startup
From what you describe you have one or more bad RAM SO-DIMM's.
crwdns2934105:0crwdne2934105:0
crwdns2936751:024crwdne2936751:0 0
crwdns2936753:07crwdne2936753:0 0
crwdns2936753:030crwdne2936753:0 0
crwdns2942667:0crwdne2942667:0 26
