Monitor degaussing issues, primarily affecting older CRT displays, occur when external magnetic fields cause color distortion or image abnormalities. To prevent these problems, several common methods can be employed effectively. First, utilize the built-in automatic degaussing feature found in most CRT monitors by accessing the on-screen display menu; this should be done regularly, especially after moving the monitor or when noticing color shifts. Second, avoid placing the monitor near sources of magnetic interference, such as speakers, power adapters, or electronic devices, as these can generate fields that lead to degaussing needs. For persistent issues, a manual degaussing coil can be used—a specialized tool that applies a controlled alternating magnetic field to neutralize buildup. Additionally, ensure proper ventilation and stable power supply to reduce electromagnetic fluctuations. If problems recur frequently, consider relocating the monitor or consulting a professional for calibration. By implementing these practices, users can maintain clear, stable images and extend the lifespan of their equipment. Note that modern LCD and LED monitors are less susceptible to degaussing but may still benefit from similar preventative care against environmental factors.