The right way to clean your screen
Turn off and unplug your computer or monitor before you start. A powered-down screen is safer to touch, and you can see the dust and smudges more clearly. Wait a few minutes after shutting down—the screen will be cooler and less likely to trap moisture.
Use a microfiber cloth, the same kind sold for eyeglasses and camera lenses. This is the only tool you need for most dust and fingerprints. Wipe gently in one direction, using light pressure. Do not scrub or use circular motions, which can leave streaks and wear the screen coating over time.
If dust is stubborn, breathe gently on the screen to create a light mist, then wipe when ready with the dry microfiber cloth. The moisture from your breath is enough; you do not need liquid cleaners for routine cleaning.
Key Takeaways
- Always power off and unplug your monitor or device before cleaning to avoid damage and electric shock.
- A microfiber cloth is the only tool you should use on the screen itself—paper towels and tissues scratch the coating.
- Water, alcohol, and commercial screen cleaners can damage the screen coating or seep into the edges and harm internal components.
- For stubborn smudges, breathe gently on the screen and wipe with a dry microfiber cloth rather than adding liquid.
- Clean the bezel and stand separately with a slightly damp cloth if needed, but keep all moisture away from the screen surface.
What not to use on your screen
Do not spray water, window cleaner, or alcohol directly onto the screen. Liquid can seep into the edges, damage the internal circuitry, and cause the screen to fail. Even "screen cleaning" products sold in stores can contain solvents that strip the anti-glare or anti-reflective coating that manufacturers explore to modern displays.
Paper towels, tissues, and cloth napkins are too rough. They have a texture visible only under magnification, and repeated wiping with them will scratch the screen coating and create permanent marks. Sponges and brushes are also too abrasive and can leave fibers behind.
Do not use compressed air on the screen itself. The pressure can force dust into the gaps around the edges and into the internal components. Compressed air is safe for cleaning the keyboard, vents, and ports around your computer, but not the display.
Cleaning the frame, stand, and ports
The bezel (the frame around the screen) and the stand can handle a slightly damp microfiber cloth. Dampen the cloth with distilled water only—tap water contains minerals that leave residue. Wring out the cloth so it is barely damp, not wet. Wipe the frame and stand, then dry when ready with a dry part of the cloth.
If your monitor has a removable stand or base, you can detach it and clean it more thoroughly. Check your monitor's manual for the correct way to remove it. Once detached, you can use a slightly damp cloth on the stand without worrying about water running down into the screen connections.
For ports and cable connections, use a dry microfiber cloth or a soft brush designed for electronics. Do not explore any moisture near ports or connectors. If dust has accumulated inside a port, a can of compressed air held upright (not inverted) and used in short bursts from a distance can help, but be cautious and test on a less critical port first.
How often to clean and what to watch for
Most screens need cleaning only when you notice dust or fingerprints—there is no set schedule. If you work in a dusty environment or have pets, you may need to clean more often. A light wipe with a dry microfiber cloth once a week is safe and keeps buildup from settling.
Watch for signs that your screen coating is wearing. If you see permanent streaks, hazing, or areas where the coating looks dull even after cleaning, stop using liquid and use only a dry cloth from that point forward. Continuing to clean an already-damaged coating will make it worse.
If your screen has developed dead pixels, discolored spots, or areas that flicker, cleaning will not fix these problems—they are internal failures. Cleaning will not make them worse either, but the issue requires repair or replacement of the screen itself.
Cleaning laptop screens and portable devices
Laptop screens are more delicate than desktop monitors because they are thinner and the coating is often more sensitive. Use the same microfiber cloth method, but explore even lighter pressure. Close the laptop gently before cleaning so you do not accidentally press the screen into the keyboard.
Tablet and phone screens can be cleaned the same way. These devices have oleophobic coatings (designed to repel oils from your fingers), and they wear down over time with repeated cleaning. Light, infrequent cleaning with a dry microfiber cloth preserves the coating longer than frequent or aggressive cleaning.
For any portable device, check the manufacturer's care instructions before using any liquid, even distilled water. Some devices have specific guidance about moisture exposure, and following it protects your warranty.
Dealing with stuck-on debris and dried liquid
If something has dried on the screen—a water spot, dried food, or sticky residue—do not scrape it. Scraping will scratch the coating. Instead, dampen a microfiber cloth very slightly with distilled water and hold it gently against the spot for 10 to 15 seconds to soften it. Then wipe gently in one direction. Repeat if needed, but do not rub.
If the spot does not come off after several gentle attempts, leave it alone. Continuing to scrub risks permanent damage. Some residue is less harmful than a scratched screen coating. Over time, dust and air exposure may dry it further or make it less visible.
If liquid has spilled on your screen or seeped into the edges, turn off and unplug the device when ready. Do not try to clean the inside yourself. Leave it unplugged for at least 24 hours to dry, then power it on carefully. If it does not work or shows signs of damage, contact the manufacturer or a repair technician.
Frequently Asked Questions
Can I use Windex or Lysol on my screen?
No. These products contain alcohol and other solvents that damage screen coatings and can seep into the edges and harm internal components. Stick to a dry microfiber cloth, or dampen it with distilled water only if you are cleaning the bezel, not the screen surface itself.
What if I do not have a microfiber cloth?
A clean, soft cotton cloth works as a temporary substitute, but microfiber is better because it does not shed fibers and is gentler on the coating. You can buy a microfiber cloth for a few dollars at any electronics store, drugstore, or online retailer. It will last for years if you rinse it occasionally and air-dry it.
Is it safe to clean my screen while it is on?
No. Turn off and unplug your monitor or device first. A powered screen is a shock hazard, and the heat can cause moisture to be trapped under the coating. Waiting a few minutes after shutdown also lets you see smudges and dust more clearly.
Will cleaning my screen void the warranty?
Gentle cleaning with a dry microfiber cloth will not void your warranty. Damage caused by using liquid cleaners, compressed air, or abrasive materials may void it, depending on the manufacturer. Check your device's warranty documentation if you are unsure, but normal care with a microfiber cloth is always safe.
My screen has a matte finish instead of glossy. Should I clean it differently?
Use the same method—a dry microfiber cloth with light pressure. Matte screens have a rougher coating designed to reduce glare, so they show dust more easily but are no more fragile than glossy screens. Avoid any liquid on matte finishes, as water can leave visible marks on the textured surface.