An e-library system provides convenience and extensive information to users. Although despite the use of advanced technologies and financial investment on electronic resources, previous researches on e-library system has shown that potential users may not use the systems in spite of their availability. In order to find out the causal relationship, this study was conducted to determine the constructs that influence the users' acceptance of e-library system. This case study research, conducted at a private university in Malaysia uses the Technology Acceptance Model (TAM) as a theoretical framework. This study investigates the effect of the system characteristics such as the relevance, screen design and terminology toward the perceived ease of use and perceived usefulness on intention to use the e-library system. There are 140 students participated in this quantitative study. The results can improve the existing e-library system to attract more students to utilize e-library systems in their learning life.