ejecting disc from imac(model unknown)

[ramjet50]

i have an old model imac and cannot work out how to eject a disc

[Gin]

You need to be more spefic then that.  Like provide the model if you can an anything that you have tried an such.  Usually they have an eject button for the cd drive, try doing that to reset it.  It probably isnt fully connected.  But thats all that we can really suggest.