oops.... i made a error...
my garmin nuvi 1250 reoot at logo garmin, so i flash firmware "cure" with garmincure in pre-boot mode, and all right!
i see the disk of garmin, and all files....
but... i click format......... to reinstall cure version in a clean install.... but now, my garmin not boot in pre-boot mode!!!

can you help me?
now garmin stop at garmin logo!