I have a very strange problem with a PC that I use as a HTPC. It has always worked perfectly, but now when I pres the Power button, it just blinks and nothing happens. Then when I unplug the power cord, and inserts it again it boots perfectly. I have no idea what can cause this :suspiciou . One week before this started I inserted a new TV-tuner. Haupauge MCE-150... But I don't think that has anything to do with it. Any ideas, anybody?