Motherboard won't fit in case

iikanev

Reputable
Jan 24, 2015
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4,540
Motherboard: Asus z270-a prime
Case : NZXT S340

There is a weird padding on the IO shield which prevents me from fitting the motherboard on the pre installed standoffs and the rear ports don't go all the way in(the shield is installed properly).Is this padding normal and if it is what should i do.