Everyday technology
Remove everyday dust and smudges from a laptop screen
Start with a clean, soft cloth and the instructions for your exact display. Use minimal pressure and moisture, and stop if the mark appears to be damage rather than surface dirt.
What you’ll need
- The laptop manufacturer's display-cleaning instructions
- A clean, soft, lint-free cloth suitable for the display
- Water only if the manufacturer permits it
- A clear, stable desk
Before you start
Look up your exact display type. Nano-texture glass, special coatings, and other finishes may require a supplied cloth or a different method. If you cannot confirm the appropriate method, stop before applying moisture or a cleaner.
This guide addresses surface dust and fingerprints. Cracks, peeling coatings, liquid inside a display, flickering, and lines on the image are not cleaning problems. Do not try to polish them away.
Step by step
Save your work and power down
Shut the laptop down normally and disconnect external power and accessories as its manufacturer directs. Put it on a stable desk and leave the screen at a comfortable viewing angle. Do not open the casing or remove an internal battery for this task.
Check the cloth itself
Unfold the cloth and inspect the surface you plan to use. It should be clean and free from grit or dried cleaning residue. A kitchen towel, paper towel, or abrasive cloth is not a substitute. Use the display's supplied cloth when its instructions require one.
Make a gentle dry pass
Using the manufacturer-approved cloth, lightly wipe loose dust from the screen. Keep your touch gentle; do not push the display backward or press on a stubborn spot. Reposition the cloth to a clean section as you move across the surface.
Treat smudges only if the instructions allow it
If a mark remains and your display permits a water-dampened cloth, moisten the cloth away from the computer. It should be slightly damp, never dripping. Wipe gently. Never spray the screen, pour liquid onto it, or let moisture reach its edges, openings, or keyboard.
Stop before repeated rubbing
Look at the mark under ordinary room light. If a gentle pass has not improved it, stop and consult the display-specific guidance. Do not escalate to household window cleaner, a scraper, a rough cloth, or stronger pressure. General cleaning advice may not suit a particular coating.
Let the surface dry and check the result
Leave the laptop powered off until the screen and surrounding surfaces are completely dry. Do not close a damp screen against the keyboard. When dry, reconnect and check it normally. Put the cloth somewhere clean so it is ready for the next routine wipe.
If it’s not working
There are streaks after it dries
Inspect the cloth for residue and recheck the permitted cleaning method. Do not keep adding liquid or polishing the same area. A clean replacement cloth may be the right next step.
The mark looks like a scratch or flaking
Stop cleaning that area. Photograph the issue without pressing on it and ask the manufacturer or a qualified service provider about the display finish.
Liquid reached an opening
Keep the laptop off and disconnected from external power. Do not turn it on to test it or use heat to dry it. Get product-specific service advice.
Check your result
- You followed the cleaning method for the exact display.
- There is no visible moisture before power is reconnected.
- You stopped rather than rubbing a suspected damaged area.
Where this guide stops
- This is not disinfection, scratch removal, coating repair, or liquid-damage repair.
- Do not assume a cleaner approved for one manufacturer's device is approved for another.
Sources and further reading
The steps above are original Repair Robin writing. These manufacturer and public-agency resources informed the guidance; their instructions for your particular item take priority. External links may have their own privacy policies.
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