Hp 840 G3 Laptop fan running at high speed no display

[sureshbobby]

Hi Friend
i have hp 840 g3 i5 6th gen laptop. am not getting display but processor fan running at high speed, no cpu hot,
please help!

[mcplslg123]

Re: Hp 840 G3 Laptop fan running at high speed no display

You have missing core voltage.