yes I read the post. but how I can format and replace files? when the update give error when try to erase and garmin still cannot detected as mass storage?
thank for your effort



well today try to change the position from boot.bin and fw_all.bin with rgn tool, the update was sucesull see al the process to erase and write, but now when turn on the device see the logo garmin and inmediatly system software missing. no white screen and the device is detected in the device manager as Garmin usb GPS but i cannot see as disk in my computer. try to revert with a cure 109101000600cure.rgn
but nothing happens the updater cannot erase and display ther "garmin device is unable to program the requested memory region....".
When try the new firmware from garmin nuvi2x5W_GCDFile-MTK__760.gcd receive the next message

App: Updater
At: 3/19/2012 4:01:51 PM (UTC)
OS: Windows XP Service Pack 3
Processor: Pentium Pro or Pentium II, RAM: 2086880 KB
IOU_UTILITIES.CPP-203-2.8


thanks in advance




Well, after trying diffent firmware ,finally got to work as usb mass storage, so now there are many question
1-when i try to copy all the folder garmin, the gps hangs and i need to power off and power on,
2-if i try to delete the folder everything is ok, but when i disconnect and connect again, the folder magical appers.
3- when i plug the usb the antivirus block a file calling boot.exe because is infected. If i disconnect the antivirus the file boots and hang the gps, try to remove this but is autoexecution on every time i plug the device.
4-try to format with RMPrepUSB as fat32 with mbr , boot when the process goes to 50% get and error and cannot continue
can anyone help
thanks again