I'm in the midst of building a new desktop (first time building my own). I bought MSI NF750-G55 AM3 NVIDIA nForce 750a SLI HDMI ATX motherboard, and HEC 6C28BS Black / Silver Steel ATX Mid Tower case. When they both arrived, I realized that the I/O panel on the case doesn't have the same holes that the motherboard needs.
So my two questions are:
What should I have done? Both claim to be ATX. Do I just need to look more carefully at the pictures?
What should I do now? Can I just remove the whole panel (leaving empty spaces between and around the different ports? Specifically, will it cause problems to do this?
(I'm looking for advice about question 1, but will accept based on question 2.)