Hello there! I've a budget oriented SAMSUNG LF22T350FHW monitor. I've a weird and a very slight issue with the monitor. If I keep the monitor plugged in into the socket turned on for a few hours, I've to press the power button twice on the monitor for it to work properly after I've turned on my pc, otherwise the display stays turned off. But if it's just for only an hour or so, it works fine. I'm wondering what is happening?