Solution for #NDDN-W57 "Please insert correct map disc" - Facebook
: Disconnecting the vehicle's battery often clears the unit's temporary memory. Without the original boot disk or SD card, the system cannot reload its software. mitsubishi nrvz800mcd boot disk full
Before attempting more complex fixes, try a soft reboot to clear temporary glitches. Solution for #NDDN-W57 "Please insert correct map disc"