HP Envy 14 Laptop Doesnt power on

Dear Support,

I have HP Envy 14 Laptop, When I shutdown Laptop and power on next laptop doesn't power on even plugging AC adapator. When I sleep and start it will work, last few month I work like this and now laptop doesn't start I keep plugging AC adaptor 3 days. Still does not start. power supply working well I tested with other laptop.

Best Regarda,

Omantha