Nanosystems is located in the heart of Saint Paul, MN. Times have changed, first tech and general nanosystems are now out of business. GNS closed due to the light rail construction on University Avenue. We are Nanosystems a new company. We still repair computers, build computers, and provide service quickly. We can help you with laptops, networks, and PC's. We do not sell parts outside of service at this time. Call today and arrange a computer consultation!