Thanks, the computer is ok, I am using it now. I just decided not to do any more debugging with it. I tried with an older computer and the same thing happened. I am testing the arduino now, pins 0-13 work according to this blinking led. Are there any specific test I need to make. Or just check all the pins.
I will always power down from now on. I didn’t know that was an issue. I should have read a little more into it. I may have his the “+” but I don’t see how right now.
Thanks, but I really don’t know how to detect what component might be bad. Nor do I believe, at this point in time, I have any skill with soldering, which I found out by removing the 5v regulator and trying to replace it.