If there is anything in Loly's backup files that has not been replaced already by GE then add them to your nuvi.

A basemap is needed for proper operation of the unit, particularly when scrolling while zoomed out and also for basic routing where there's no detail map loaded for an area. You can get if from the link i gave you in Post #10 or Caty's post above or look for gmapbmap.img in Loly's files. It's path is x:\.System\gmapbmap.img and it's unlocked.

If you haven't got the Voice files from GE, hook up to WebUpdater to get them or just copy the Voice folder from Loly's over to your unit. Path for voices is x:\Voice\*.vpm.