Push computer on button it starts and then stops

[jbeverly102]

i have a gateway 1450 laptop computer, everytime i push the start button computer turns on and then shuts off in a matter of seconds. what could be the problem.

 

[hang-the-9]

Power supply, battery, power jack, motherboard.

 

[jbeverly102]

Best answer selected by jbeverly102.