Question Black screen after cpu upgrade

[Neffas0]

Fixed

 

[WildCard999]

Look at the pins on the motherboard socket, even if one go bent down by mistake then that could potentially cause your black screen.

 

[Neffas0]

Pins are fine.

 

[Neffas0]

Update: I got more than 20 short beeps and 3 longer beeps. Does it mean cpu is dead?

Mb: h81m-s1