When I start my or Restart my Rhel 7 pc automatic show unknown file system Grub mod
I input
#ls

set root=(hd0,msdos11)/grub2

set prefix=(hd0,msdos11)/grub2

insmod normal

normal

My pc is done and I successfully run my pc.

Every time I need to do this why and how can I solve this problem
How to permanently solve this problem

Thanks