ASUS UX21E series There are very complex reasons for the generation of bright spots in the LCD of laptops, so there is currently no direct and effective method on how to avoid the generation of bright spots. However, users should pay attention to operating the laptop in accordance with the standard process when using it, and take good care of the laptop. For the computer's LCD screen, pay attention to basic protection methods such as waterproofing, dustproofing, protection against heavy pressure, protection against radiation, protection against strong light, and protection against high temperature burns.