Affordable Mobile Computing Services One call fixes it all - for all your computer needs at affordable rates. NO CALL OUT FEE! Light Source Software and Computing Services are a mobile computing business offering on site computer trouble shooting, installation, repairs & upgrades along with custom built PCs, networking & home tutoring support. We offer a full range of services from fixing your home computer to developing complex business management systems. We also offer a wide variety of multimedia services from web design to DVD presentations for that special occasion. High quality and professional work is our guarantee! No job is too big or too small. We come to you. Our hourly rate is one of the lowest around and you pay only for the time we spend fixing your computer.