The CD could be dirty. Try cleaning the EQ7 CD and checking it for scratches. Methods 1 and 2 in this article show how to clean a CD.
If your CD has scratches on it, it is very likely you’ll need a replacement CD. Replacement CDs for EQ7 are available at a cost of $10 plus shipping.
If you would like to place an order, please call 1-800-356-4219 (M-F, 9-5 EST).