crwdns2934241:0crwdne2934241:0 SkipR

crwdns2934249:0crwdne2934249:0:

Does it still detect a monitor when you have everything disconnected other than the mouse and keyboard?

Try starting the iMac in safe mode; hold down the shift key during boot and login.

Let us know how it goes.

crwdns2915684:0crwdne2915684:0:

open