screw stuck

Hello. I recently bought a new motherboard . X570-f. The problem,as in title,is that ,the one of the screws of the AMD Motherboard backplate retainer screws is not budging at all. And it's completely stuck.the rest of three were able to be removed. But this one isn't budging at all. Help would...

The hexagonal standoff screw I encircled below is stuck in my motherboard (Tomahawk b450). When I try to turn the screw with a screwdriver it just keeps turning, no matter what direction I try to turn. Here's the screw: The backplate looks like this: How do I get this screw out of my...