My hp pavillion laptop is not turning back on

Registration date
Tuesday June 6, 2017
Last seen
June 6, 2017
my hp pavilion laptop suddenly turns off while i was using it.. then i tried turning it on,but its not turning on whatever i tried holding the power buttun for 30 or 15 secs and also removing the battery and connecting to charging...its not turning on..but when i press the power button, power button light will blink and go also sometimes wifi light also blink and go....don't know what to do next.? is it the ram or hdd problem? i was having my battery issue. like while using the pc lap starts to getting hot and battery charging capacity is low max time is 2:30 hrs.

what to do with this problem? please advice guys? any solution ?