I purchased a brand new Apple iMac (Late 2013) 27" iMac from Apple in August of 2013. It's fully loaded with i7, 4GB DDR GTX 780M, 16GB ram, etc. Usage is light-to-medium for photo editing and web browsing. Yesterday my screen displayed vertical and horizontal lines. Absolutely nothing on the screen was legible. The screen came back to life after a few seconds. I figured it was a fluke. I put the Mac to sleep for a few hours as I normally do when I'm done using it. Upon waking it up, the vertical and horizontal lines on the entire screen came back again. This time for good. I've done several restarts, holding down command + option + P + R, and nothing works. I figure it's a hardware fault. Very disappointing for something so new and so expensive. I've been a PC builder and user for years and I thought I'd absolutely have a rock solid high end professional bulletproof computer when buying my iMac. I've scoured the entire internet and nobody seems to have had this problem on this new of an iMac. I purchased a Thunderbolt to HDMI cable and I plan to hook the iMac up to my Plasma and see if I get video. If I do, then I can rule out my video card. Is my plan solid? I'm also considering taking it into Apple but I have a feeling they will tell me to kick rocks as my warranty is up. Any word of Apple good-willing these types of repairs? I have been a very loyal Apple user for a period of years now. This is very disappointing and my confidence in Apple computers has gone down. I also posted on Apple forums too to see what people say. Seems parts such as the video card or LCD are hard to find in the states. Not only that, they are super expensive. I searched eBay. This is sad. Very sad.