I have Dell Optiplex 755 SFF perfectly working with onboard graphics on Batocera 5.25 but after Installing New GPU i.e Amd Radeon R5 240 it stuck on Booting screen loading system config message and also tried on 5.27 results are same

I have also check on batocera version 5.25 5.27 and latest 32 build but is showing same error but after removing my graphic card it work from onboard graphics vga perfectly fine on batocera 5.25 any help or suggestions will be highly appreciated