- Do you mean whether plugged in or not your dell laptop doesn't turn on only power button blinks ?
- If yes does power button blinks then stops blinking on it's own in both cases (plugged and unplugged) or does it keep on blinking and what happens when you push the blinking button again for shorter or longer period of time (able to stop button blinking?)
- While it's blinking do you see/hear/feel laptop fan spinning? or does laptop screen come on (even dimmed) or other peripheral (USB) attached to your laptop on light come on?
- When plugged in do you have a way to know whether laptop is charging (charging led coming on or another led changing color)
- What exact model is your laptop?