i bought a computer monitor of Samsung company.2 years backmodel number sq93 .now it is not under warranty it worked properly for 2 years but 3 days ago a defect came that the screen automatically show blue color dots at the center then after some time it automatically disappear. when i showed it to technician at that time it didn’t show any defect .but when technician went back .it again showed the same defect.i again called the technician again same situation happened,so help me if you know something about this type of problem
