Technological advances have a positive and negative impact, a person’s inability to keep abreast of computer technology can lead to technostress. The term stress is often used to designate a dynamic condition, in which a person is confronted with an opportunity, obstacle, or demand that is associated with what he really wants and the results are perceived as uncertain and important. To help lecturers and students at AMIK Indonesia who suffer from technostress problems, computerized based tools are needed in the form of Expert Systems designed in a computer program to determine the value of these uncertainties and have abilities such as a doctor. This expert system uses the PHP and MySQL progress language as the basis for the web-based Certainty Factor (CF) method by consulting can answer each question with yes or no, in order to find out information about the symptoms and problems of existing technostress and the solution to therapy for these symptoms. Based on the research and system design carried out, it can be concluded that the method of Certainty Factor (CF) can be applied in expert systems to diagnose web-based technostress.

Keywords : Certainty Factor (CF), Technostress, Expert System.