Navigation Screen Not Responding on 2007 Lexus IS350

The screen is stuck on the caution screen and any touch isn't responding. Can someone fix this for a reasonable price?

Asked by for the 2007 Lexus IS350
they can be repair for approx 1200.00 or you can repl with aftermarket and better system for cheaper
Does anyone know of a reputable repair shop in the bay area that specializes in lexus repairs?
try AAA for a good repair shop