Solved! My hp pavilion i5 laptop needs fix black screen with caps lock blinking 5 times then 3 times fast how to fix

[d92821]

Hp pavilion i5 windows 10 has black screen and caps lock blinking 5 times then 3 times fast .How to fix ...I plugged in a TV box threw hdmi then I had problems after

 

[hang-the-9]

Check the blink codes here and see where the issue may be https://h30434.www3.hp.com/t5/Notebook-Boot-and-Lockup/HP-Laptop-Error-Blink-Codes/td-p/6142972

From the blinking 5 times it shows a motherboard failure.