Samsung DLP Model HLS4266W not turning on/off & no screen

I've had my Samsung DLP for just over a year right after the warranty ended. bummer!! Never had problems and went to turn it on today and took about ten minutes. Few hours later went back and no screen would show up. Lamp was on and the "lamp" light does blink in the front but I know it always blinks 3 times before the TV comes on. Unplugged and TV came on but was upside down and blue. Unplugged again and after a few minutes it came on just fine. Watched for 20 minutes or so then turned off, seems like I should have left it on, but... Went to watch hour later and now doing what it did at the beginning. Comes on and shuts off after a few minutes of pushing the button. Lamp will come on and the TV makes a horrible 3 beeping sound like something from the show LOST, but the screen doesn't come up, a few times the sound even came on but no picture. Please help! This was my first big TV investment and very disappointed, please let me know how to get it running again. And does anyone know how long you have to buy the extended warranty?