Please help

[cornym]

:hello

i've just finished assembling my cpu , if i switch it on it gives a rythmatic sound then shuts down , what do i have to do

 

[builderbobftw]

Have you applied thermal compund?

Did you correctly install the HSF?

IS the HSF plugged in?

Have you tried to OC it or is this at stock?

 

[banthracis]

Read the stickies
http://www.tomshardware.com/forum/261145-31-perform-steps-posting-boot-video-problems