I got a blue screen of death its any way to fix my laptop?

I got a blue screen of death its any way to fix my laptop?

I found a 4 white dot on my laptop screen and my laptop just crashed 50 times then i got a blue screen of death, i cant even watch any show or movie on website then i wait for 5 minutes i got a 50 times crashed then i got a blue screen of death and gone and my every website and settings crashed its always like this, How to fix my ram?