I just built my new computer and it boots all the fans work and lights turn on but no signal to monitor I have replaced the gr

[cyberfang]

I just built my new computer and when I turn it it says no signal on the monitor, all the fans turn on and there is no beeps I have tried different graphics card, ram, and 3 different power supply's I have replaced the CMOS battery and is still says no signal I can't figure it out and I'm pretty good with computers, if anyone could help the at would be greatly appreciated thanks

 

[Someone Somewhere]

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

 

[unreal9400]

I had this issue too when I build my computer a long time ago the fan spins up and turn off again and it repeats itself.
If you take out the RAM and there is a beep sound.
It is the RAM fault.
Source = From my experience.