OK computer was working fine yesterday

Tried to turn it on today aND nothing happened, no sounds, no lights, no beeps nothing Nada zip

As I am skint at the moment how much can I check my self to diagnose the problem

I have tried a different power cable different outlet socket unplugged everything etc all to no avail.

I don't have any compatible computer to test componentary with.

Cheers

Stupid cellphone auto spell doohickey won't let me write componentry keeps trying to correct it it to component arayn

Cheers