Hello folks. I work in a Mac lab and one of our older 27in iMacs bit the dust a few months back. Not sure of the exact year, but it's definitely an intel iMac and still has the disc drive. At first we thought it may be the graphics card, but the IT guys took a look and there appeared to be corrosion on the logic board. Being that it's an iMac in a computer lab...not really sure how this is possible, but anyway... It powers on, but shows a gray screen with vertical green lines. In the process of trying to repair it, one of the IT guys accidentally cracked the glass display. It would also need a new disc drive as one of the previous staffers broke it (don't ask). So even as I'm typing this, it sounds to me like attempting to repair this (or even taking to apple to get an idea on cost) would be more trouble than it's worth. I've basically been given the machine so I just wanted to make sure it wasn't salvageable before I recycle it.