Try to remove the battery and hold power button for 10-15 seconds. [br]
Put back in the battery and try turning it on again. [br]
If that still doesn’t work verify the charger is charging and matches volts that the laptop requires. [br]
[br]
If it still doesn’t work or show any signs of activity it would most likely be shot. [br]
If you wanted to repair look at pricing for motherboards. [br]
[br]