Green dots on a laptop screen can result from GPU overheating, VRAM damage, loose display cables, stuck pixels, or corrupted graphics drivers. Their pattern can reveal the cause: dots that appear during gaming may indicate GPU or VRAM stress, while dots that change when the laptop lid moves can suggest cable damage. Restarting the graphics driver, checking temperatures, updating drive... https://techtodays.net/technology/green-dots-on-laptop-screen/