Im using a 225bw. And had in the closet for a long time. I take it out today and it only displaying red scale. I am using another monitor and it display fine. The connector look fine inside the cable is the samw im just moving it from one to the other. Default have been set. Im willing to crack it open if anyone can tell me what to look for or fix it could be a soildering problem if a cold solider joint.