reset or replace digitizer

If your Nuvi has a slide on off switch, slide it the 'other way' for 10 seconds. If it is just a push button, hold it down for 5-8 seconds.

or replace new digitizer

http://www.ebay.com/itm/Touch-Screen-Digitizer-glass-Garmin-NUVI-Nuvi-295w-295-/320742389955?pt=LH_DefaultDomain_0&hash=item4aadbc78c3