Green dots on laptop screen can be caused by stuck pixels, GPU overheating, damaged VRAM, loose display cables, or corrupted graphics drivers. A single fixed dot may indicate a stuck pixel, while flickering or spreading dots can point to hardware trouble. 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/