My Laptop 's power button light is on but keyboard & display off

[Shilpa Borde]

My Laptop 's power button light is on but keyboard & display off & Laptop fan on /off again & again..

 

[Prostar Computer]

Sounds like a dead motherboard. You can try an EC reset: remove your battery and charger, press and hold power button for 5 seconds, then reconnect battery and/or charger and try to boot the laptop again.

If the motherboard is dead, you will need a professional to either reflow it or replace it.