Acer Aspire Laptop E1-531 N.S.O Power on light burning not turning on

Worked on this laptop today,  Client problem ;  Power on light stays on but not turning on. 

  • dismantle found liquid damage in the power on circuit mosfet short circuit 
  • PCB liquid treatment 
  • remove of faulty mosfet 
  • clean re-solder PCB mosfet pad 
  • replace faulty mosfet 
  • assemble and test 

Laptop working,  charging and powers on and off. ( Successful repair )