Lenovo ideapad y550 don't start

nazrul - Oct 2, 2015 at 10:55 PM

My laptop is lenovo ideapad y550 with 32 bit system running windows 7.When i plug in the charger and starts the laptop ,its loads ok till "Starting Windows" then suddenly power off but it starts normally in battery. I have cleaned all the dust inside the laptop also changed the battery and charger still the problem exist. Please help