I would need to know his specific needs before I could discuss specific recommendations. My daughter was recently tested for LD and found not to qualify for special services. I do not think she was given enough testing her score was 97 and 98 in reading and reading comp. Her full scale IQ is 117. If you still have concerns, I certainly wouldn't recommend that you ignore the issue.
Multimedia can mean a number of things.
Since you used the term in your original question, I took it to mean you meant any of the hypermedia-based programs that are currently available. She was tested at Boston Children's Hospital LD program. They said she has a multi-modal Language and Communication Disorder. Is there any technology that she could use that would be interesting for her . It sounds like some of the hypermedia-based children's literature programs might be of interest to her.