New pc build not working :(

[486DX]

Hi All

I am wondering if anyone can help me, i hav just spent the last few hours putting my new pc together an when i connect it to the mains I am gtting nothing, no lights or fans even on the psu.

Any ideas?

 

[486DX]

Thanks peeps, I got it fixed (no idea what it was I disconnected every cable and then reconnected and hey presto it all sprang to life