I have a Dell Inspiron Desktop computer. Not sure of exact model, I could find out if it matters obviously. Anyway, for the past few week or two it started acting up. Whenever I was away from it for a while and it went into sleep mode it wouldn't start up again when I hit the keyboard or mouse. It was still on with the usual flashing blue light, but just wouldn't "kick in" again. I'd have to turn it off and restart it. I never had a problem with it turning off during use or not restarting. No other problems with it at all. Due to this I have been in the habit of shutting it all the way down when I don't use it. Well today, it wouldn't turn back on at all. There's a small green light in back near where the power cord connects. that comes on. But hitting the power button does nothing. No "good" blue light, no "bad" amber light. Just nothing, no fans no whirring. I took the case off to see if it was as simple as a wire not quite connecting in the button region. Was dusty, gave a quick vacuum. fiddled with the connections...still nothing. While the case was off I noticed that in addition to the green power indicator on the back of the unit, there is a light on the main large circuit board that comes on. Yellow/amber in color. That's all the info I have. Any ideas?