Your hardware is too weak for the 500GB image's settings. Lower the resolution in Game Settings > Per System Advanced Configuration > PS2 > Rendering Resolution to Native (PS2) .
How To Install Batocera To A Hard Drive - SSD Or External HD batocera 500gb download
A Batocera image is a "snapshot" of a storage drive. Unlike the official Batocera.linux download, which is a clean, empty operating system, community-made 500GB images often come "pre-loaded" or "fully loaded." Your hardware is too weak for the 500GB image's settings
Once finished, Batocera will launch into EmulationStation. Per System Advanced Configuration >