Hi dv51201au. Find the symptom which best matches yours and follow the steps. The most likely symptom is "Symptom: LEDs glow, fan noise is heard, but display is black or blank" based on what you said.
Computer Does not Start (Windows 7, Vista, XP):
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443371&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=3864513&query=dv5-1201AU&tool=
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Re: HP Pavillion dv5 not powering up.
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