https://bitcointalk.org/index.php?topic=1808110.20

This topic here covers pretty much all issues when it comes to a MSI board not seeing a GPU.  It took me 5 seconds of searching to find it.  That is probably why you got no response.  I am just drunk and in a nice mood.

Have you checked you are using the correct bios version? 
Is your hard drive formatted in GPT mode?
What are your pci subsystem setting in bios?