Download FW for your nuvi from here:

[Only registered and activated users can see links. ]

Then run garmun cure tool and create file for repair

click on updater.exe on cure tool window

put your finger in top left corner on your nuvi screen and hold finger on this place

with other hand connect nuci to PC

Now in updater.exe window you see nuvi 1310 and your ID

Click on USB beside 1310 and ID and click OK

And updater.exe start working.

When procedure end your nuvi will conect to PC like before error.

Now format your nuvi to FAT32

When your done create original FW with cure tool and flash again in preboot mode.

if you need backup file for 13xx i can send it to you.