They can damage the LCD display so that the image becomes unreadable. Never use alcohol or ammonia cleaners on an LCD screen.After the screen is clean, let it dry before you close the lid or use the laptop again. Turn off and unplug the laptop, before cleaning the monitor.Get an LCD monitor cleaning kit. By getting a cleaning kit, perhaps the best option, you receive a lint-free cloth as well as a package containing a damp towelette moistened with the official LCD monitor-cleaning solution.Wring out all the moisture from the sponge before you wipe the screen. Use a damp sponge to wipe the screen. Use only water to make the sponge damp.A lint-free cloth gets the dust off and removes finger smudges. These monitors are very fussy about liquids. Use a lint-free cloth to dry-clean the screen. All laptops use LCD monitors.

Avoid using any detergent that contains strong chemicals, such as ammonia or bleach.

Isopropyl, or “rubbing,” alcohol makes a good cleaning liquid.

Never spill any liquid inside the laptop!.

Use the cloth to sop up any excess moisture.

Finish the job by wiping the case again with the lint-free cloth.

Do not insert the swab into any ports, jacks, or holes on the laptop.

Medical swabs can be found at any pharmacy.

You can use the standard Q-tip, but medical swabs are better made and wrapped a little tighter.

Use the swab to get the nooks and crannies.

You can use the sponge and swabs to clean the touch pad though. We’ll get to the keyboard and screen later.

Soak the sponge in the cleaning liquid.

One part dishwashing detergent with five parts water.

Remember electrical current and liquid really don’t mix.

Gather them together and follow these steps: For maintaining your laptop case you will need a household sponge, dishwashing detergent, water, lint-free cloth, and cotton swabs.

Clean lap top screen