New build - screwing it up

[Shicky]

Lo all as the title suggests i've just started my first build and already screwed up.

Im fitting the PSU or attempting to anyway. Its an Antec 900 case and a Hiper 580watt PSU. When attempting to mount it, it just doesnt seem right. Im following the instructions and pushing the psu to the back of the case, making sure the fan is upright. Holes are all lined up. However when i go to screw it in, some go in fine, all is well but others seem like they're blocked by the back bezel thing and only go half in, i dont want to try and screw them in really hard and damage anything. Any help would be appreciated, especially from someone whos done the same setup.

Thanks for any help

 

[Shicky]

bump

 

[Shicky]

ok i've worked out the problem. Basically due to the hiper's design, its blocking the bezel with some crappy metal bits. Only way round this is to give the PSU more height as the silicone pads dont seem to be enough. What can i use under it to give it more height? Im guessing blu-tack is out of the question

 

[mishima]

I know its different case, PSU but just for guidance:

Thats how it should be positioned!