How to add a map to the existing one

1)ok
2)no
3ok
4)card removed , same problem
5)go on. put me out of my misery

thanks

tendriver wrote:2. Did you copy the "patched" ttsystem file back to the 550 internal?

pollywall1 wrote:2)no

Put the patched ttsystem file in the internal, where it belongs.

I put patched ttsystem file in the internal drive and removed from external memory card.
TomTom now running ok.
Talk about living life in the fast lane.
Thanks once again for your help

pollywall1 wrote:Thanks once again for your help.

You are Welcome. Enjoy!!