Could be a more ergonomic pc, desk/chair set up is needed.

Screen, mouse, chair, desk postures can make for trigger points and overtaxed head/neck /shoulder muscles..

[One rule of thumb is that for every inch that the head is held forward in poor posture, an additional 10 pounds of weight is felt on the cervical spine. So if the average head weighs between 10 and 12 pounds, just 1 or 2 inches of forward head posture can double or triple the load on the cervical spine.]
How Poor Posture Causes Neck Pain