Google - How do I fox a blue screen on my 40Samsung. Led tv?

My screen was black. Pn my Samsung smart led tv i replaced powersupply board now i have sound and a blue screen i am not sure i should replace my t co

My screen was black. Pn my Samsung smart led tv i replaced powersupply board now i have sound and a blue screen i am not sure i should replace my t com board or cable

or:My screen was black. Pn my Samsung smart led tv i replaced powersupply board now i have sound and a blue screen i am not sure i should replace my t com board or cable

Tags:blue,