Barudan Single Head USB Issue

I have a barudan BEXTS901CAII (Single head, 9 color). Out of nowhere today, my machine stopped reading all USB flash drives. It recognizes that there is a USB flash drive connected but I can no longer see the folder where my designs are. I currently have them in a designs.fdr file and all saved as a .U01 file. I have also tried multiple flash drives so that's not the issue either. Just curious if anyone else has ever experienced this.