Screens and other electronics tend to collect dust faster than many other surfaces in the home, partly because of static and partly because they're rarely touched during a normal tidy. Left alone for too long, this dust becomes noticeably more visible, especially once a screen is switched on. A dry cloth, used regularly, keeps this from building up in the first place. It's an easy step to skip, simply because the dust builds up so gradually that nobody quite notices.
Choose a soft, dry cloth rather than anything rough or textured, since screens in particular can scratch fairly easily with the wrong material. A gentle, even motion across the surface is usually enough to lift most of the dust without any real effort. There's rarely any need for anything more than this simple approach. Keeping one cloth set aside just for this purpose avoids reaching for whatever's nearby.
Build it into an existing routine
Wipe screens and electronics at the same time as dusting nearby shelves or surfaces, so it becomes one continuous task rather than a separate chore. This small pairing makes the habit far easier to remember and keep up over time. Most people find it adds barely any extra time once it's part of the usual routine.
Pay particular attention to vents and edges, where dust tends to gather more thickly than on flat surfaces. A slightly folded cloth can reach into these narrower gaps without much extra effort. This small detail often makes the biggest visible difference to how clean the item actually looks.
Do this every week or two rather than waiting until dust becomes obvious, since a light, regular wipe is far quicker than tackling a thick, settled layer. Little and often really is the easier approach here. It also keeps electronics looking tidy without ever feeling like a big task.
With a quick, dry wipe on a regular basis, screens and electronics stay noticeably clearer throughout the home. The habit takes only a moment but keeps dust from ever becoming a real problem.