Hello S-K, I’m sorry to hear you are having issues with your motherboard and this new video card, but it looks like a compatibility issue between these two devices.
Are you getting this issue when using the onboard video from the motherboard?
I was able to find out that your board is running BIOS version 0119. The latest BIOS version available on the download center is version 0160.
It is important to know that going straight to the latest version shouldn't be a problem, technically speaking. However based on experience, there is always chance.
I would recommend checking the BIOS Update Release Notes on this URL. You will be able to see the fixes and features included on each version. http://downloadmirror.intel.com/22273/eng/BL_0160_ReleaseNotes.pdf
This URL will show you the list of BIOS files that you can flash on your board.
S-K, I cannot assure you this is going to fix the issue with your video card, but it will be an excellent and a necessary troubleshooting step.
In addition to that, you can also try using a bigger power supply.