Yes, it is glued together, suction cups are no longer sufficient to remove the display. To service the current gen iMacs, you have to cut away the glue and afte

Yes, it is glued together, suction cups are no longer sufficient to remove the display. To service the current gen iMacs, you have to cut away the glue and afterwards re-glue the machine. My dealer charged me about $300 labor cost for a HD replacement due to this.