As an expert in the field of electronics and computer maintenance, I am often asked about the best practices for cleaning electronic devices, including computer screens. The use of rubbing alcohol, or isopropyl alcohol, is a common cleaning agent that many people consider due to its disinfecting properties and its ability to evaporate quickly without leaving residue. However, it is crucial to understand that not all screens are created equal, and the application of rubbing alcohol can vary significantly depending on the type of screen and its protective coatings.

Firstly, it's important to recognize that modern computer screens are equipped with a variety of protective layers and coatings designed to enhance the display's performance and longevity. These coatings can include anti-glare, anti-reflective, oleophobic, and even anti-microbial properties. The presence of these coatings means that certain cleaning agents, including alcohol-based solutions, can potentially damage or degrade these protective layers.

Rubbing alcohol, particularly in higher concentrations like 70% or 90% isopropyl alcohol, can be quite harsh on these coatings. The alcohol can dissolve the adhesives and polymers used in the screen's protective layers, leading to a hazy or cloudy appearance, or even causing the coating to peel off. This is why you should avoid using rubbing alcohol on your laptop screen.

Moreover, the use of rubbing alcohol can also lead to the removal of the oleophobic coating, which is designed to repel oils from fingerprints and make the screen easier to clean with a simple wipe. Once this coating is compromised, the screen can become more susceptible to smudging and require more frequent cleaning.

Instead of using rubbing alcohol, it is recommended to use a microfiber cloth and a screen cleaner that is specifically designed for electronic displays. These cleaners are typically water-based and are formulated to be gentle on the screen's coatings while effectively removing dust, fingerprints, and smudges.

When cleaning your computer screen, follow these steps for the best results:


1. Power off the device: Always ensure that your computer is turned off and unplugged before cleaning to avoid any electrical hazards or damage to the device.


2. Dust off the screen: Use a soft, dry microfiber cloth to gently dust off the screen to remove any loose particles that could scratch the screen when wiping.


3. Apply the cleaner sparingly: Apply a small amount of the screen cleaner to the cloth, not directly onto the screen, to avoid oversaturating the screen and potentially damaging it.


4. Wipe gently: Gently wipe the screen in a circular motion, being careful not to apply too much pressure that could damage the screen.


5. Dry the screen: Use a dry part of the microfiber cloth to remove any excess moisture and ensure the screen is completely dry before turning the device back on.

In conclusion, while rubbing alcohol might have been a suitable option for cleaning screens in the past, modern computer screens with their sophisticated coatings require a more delicate approach. Always opt for cleaning solutions that are specifically designed for electronic displays and follow the manufacturer's recommendations for the best care of your device.

read more >>

Please hold off on using alcohol on your laptop screen. While alcohol might have been a decent option for screens in the past, most new displays have coatings that will not do well with any alcohol-based or ammonia-based detergents. That means NO WINDEX, RUBBING ALCOHOL, ISOPROPANOL, NAIL POLISH REMOVER, OR SKOL VODKA.Oct 21, 2014read more >>