Computer turning on and fans spinning but no signal to monitor,keyboard or mouse.

[gouser]

Hi I recently tried to turn my computer on and it started up fine but there was no signal to the monitor,mouse or keyboard. I have unplugged the components and tried turning everything off and on but nothing seems to be working. Any advice? -James

 

[alexoiu]

Is there a case speaker attached to the motherboard? If not, try buying one and connecting it.
Then, start the board with only CPU and CPU fan installed and see if any beeps.

 

[ganon11000]

this is normally PSU, GPU or motherboard but could be RAM. See if you have a friend with equivalent parts and replace each part one by one till it works.