Received the new Crucial RAM today. inserted in slot 2 and reset CMOS. Powered on. I get blue light and fan noise. after about 10 seconds fan will power down. now press power button and it will immediately power off. press power again and pc starts to boot. however, after showing pepper jobs boot screen the screen will go black. I've repeated this a few times, ensuring that the RAM is inserted correctly. sometimes the PC will try say its repairing... I give up! this PC does not want to allow a second stick. Went back to single stick and it'll post fine. I'll accept it and move on before I end up taking a sledgehammer to this thing.