Having a problem with my laptop

Hello, this is bereket. and am having a problem with my laptop. when i hit the power button i can see that the lights for the power turning on but the screen doesn't start. i have tried force shutting it and powering up again. it works sometimes but now it's getting worse. it took like 5 or more force shutdowns to start up again. but when it starts it comes where i left off. it like hibernate or something during this times. so help me out pls!
THANK YOU