I sprayed Windex on my laptop LCD screen and now it has pink streaks. Is it possible to remove the pink streaks from the screen using a stain remover?
Pink streaks on your screen are not paint or dirt and cannot be erased by stain remover. Since Windex is a solvent, the pink color is a result of dissolved surface of the screen. Every LCD panel has a coating on top of the actual screen, this is what is damaged. It is hard to believe that you can easily rid of these streaks. However, the LCD screen in a laptop is easy to remove and replace. You may learn from some on-line guide how to replace LCD screen.
For your information in the future. Despite the fact that the technology is changing fast and screen coatings are different, in general, it is not recommended to use any solvent including alcohol. It is better to use distilled water. Shut down your laptop before cleaning. Using a lint-free microfiber cloth is best, an old cloth can introduce dust. After cleaning dry a wet screen with a dry cloth. Read more How to Clean LCD Screen