No start following a hinge check

I have a MacBook Pro that will not start at all following a work mate attempt to tighten the hinge mount screws.

I suspect a bad logic board from static damage as he did not use a wrist strap.

The DC board seems to charge battery and goes green / orange under charge as normal

Pressing the switch makes the fans 'twitch' but no boot.

Would this point to a bad logic board? or could this still be the DC I/O board.

I have tested the memory and have powered on with every possible cable connector disconnected and also one at a time so the external parts are not the problem.

The machine had a disappearing iSight camera problem before this occurred as was working fine before the hinge check.

Thanks for any help you can provide!