Green dots on laptop screen can be caused by stuck pixels, GPU overheating, VRAM damage, loose display cables, or corrupted graphics drivers. A single fixed dot may indicate a stuck pixel, while flickering or spreading dots can signal a hardware problem. Restarting the graphics driver, updating it, checking GPU temperatures, and testing an external monitor can help identify the cause.... https://techtodays.net/technology/green-dots-on-laptop-screen/