Quote Originally Posted by Warranty_Void View Post
The only thing I can think of is that the block is shorting out or causing an open circuit on the board with pressure when you tighten up the block, It could be that is it miss shaped in some way. If you have fully insulated the block pressure can be the only issue I can see. I take it you've try using washers on the screws.
Yep, I'm using the supplied nylon washers on the screws...

Gonna change the thermal pads just in case they have absorbed some kind of metal residue (after all I was modding the case in the same room) and that's what's causing the issue...