My inspiron 5010 makes continuous beep sound when I press power button and it wont Start

[aabedo]

I have Inspiron N5010 suddenly makes continuous Beep sound when press power on with black screen and not Start

[ejn63]

If it's a continuous single beep, it means the mainboard is bad.  If it's some other pattern such as four beeps - pause - four, etc., post the sequence and someone can help you interpret the error.