5 times beeping

[Champion_The]

hi, could you help me with this?https://youtu.be/6-sXfhfpeMg
5 times beeping,
MB: http://www.asrock.com/mb/Intel/B85%20

after the beeping the system runs normally, 40 temp on CPU.

 

[Champion_The]

ok I just figured it out, it was because of HDMI cabel.. not sure why