Again my lap top dead

Hello,
dear frnd i follow ur steps as
Unplug the power --> remove the battery --> Hold the power button for 60

seconds --> Connect the power supply then try to switch ON the laptop and later

put the battery back into the laptop

so it is worked and am really thankful, but the next time it is again dead,
one time i used these steps and it worked, but this time it is become dead as the first time.
am realy trust u and very thankful. pls help me one more time too...