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How to Clean Under the Computer Keyboard Keys: Step-by-Step

Reviewed by Zac Kieffer

Updated: September 16, 2025

Discover a simple, effective way to clean under computer keyboard keys using E-Cloth for spotless results—no harsh chemicals needed.

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How to Clean Under the Computer Keyboard Keys

Tools:

- E-Cloth
- Small brush (such as a clean paintbrush or old toothbrush)
- Cotton swabs
- Compressed air can
- Mild dish soap (for dampening the E-Cloth if needed)

Clear the Space

Push away any clutter around your workstation to ensure you won't miss a spot when you’re cleaning.
Unplug your keyboard if it’s not cordless so you can safely work with it.

Tip the Keyboard

Carefully flip the keyboard upside down and give it a few gentle taps on the back.
This action lets dust and crumbs fall out naturally.

Dry Dust Off

Take a small brush or your fingers and run them between the keys.
If you spot stubborn buildup, this is a good time to give those areas extra attention.

Final Shake and Set Aside

With one last shake and a tap, let any remaining debris fall off.
Set your keyboard back in place and enjoy a spotier, happier work surface.

Safety Precautions for Cleaning Under Keyboard Keys

Unplug or power off your keyboard before cleaning to avoid electrical hazards or accidental key presses.
Avoid using liquids directly on or under the keys; moisture can damage internal circuits.
Use gentle tools (soft brush, compressed air) to prevent scratching or breaking delicate key mechanisms.
Do not forcefully remove keys unless your keyboard is designed for it; check your keyboard’s manual first.
Work in a well-lit area to clearly see debris and avoid losing small parts.
Wash your hands before and after cleaning to prevent transferring oils or dirt.

How to Maintain Cleanliness Under the Computer Keyboard Keys: Extra Tips

Compressed Air Blast

Keep a can of compressed air nearby to regularly blow out dust and crumbs from between the keys.
Hold the keyboard at an angle to maximize efficiency while cleaning.

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Use Sticky Cleaning Gel

Press cleaning gel gently over the keyboard surface to lift away debris.
This method captures dust and hair without disassembling the keys.

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Remove and Clean Keycaps

If your keyboard design permits, carefully remove keycaps to clean underneath.
Soak them in warm soapy water, rinse well, and allow them to dry completely before reattaching.

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Sanitize and Maintain Surrounding Areas

Wipe down your keyboard with a microfiber cloth dampened with a mild cleaning solution.
Keeping surrounding surfaces dust-free reduces buildup under the keys.

Common Mistakes When Cleaning Under the Computer Keyboard Keys

Excessive Moisture Use

Using too much liquid can cause moisture to seep under the keys and damage internal components.
Excess cleaning fluid may leave behind sticky residue, attracting more dust and debris.
Always apply liquids sparingly to a microfiber cloth rather than directly on the keyboard.

Using Inappropriate Cleaning Tools

Sharp tools like needles or paper clips can scratch or dislodge the keys.
Abrasive brushes or rough cloths can wear down the surface of the keys over time.
Opt for soft brushes, compressed air, or specialized cleaning gel to safely remove debris.

Neglecting Regular Debris Removal

Allowing crumbs and dust to accumulate can lead to more difficult and risky cleanings later.
Debris buildup might even affect key functionality, causing keys to stick or become unresponsive.
Regular, light cleaning prevents stubborn grime, making each session quicker and more effective.

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How Often to Clean Under the Computer Keyboard Keys

Cleaning Frequency and Rationale

Monthly to Bi-Monthly: For heavy computer users or those who snack, drink, or work in dust-prone environments, cleaning under the keys every one to two months helps mitigate buildup, reduce allergens, and prevent sticky residues from affecting key performance.
Every Three Months: In a relatively controlled, low-dust setting with standard use, cleaning under the keyboard keys once every three months is sufficient to maintain hygiene and ensure mechanical reliability.
Consider Immediate Cleaning: If you notice spilled drinks or visible gunk, immediate cleaning is advised to prevent long-term damage or unpleasant odors, even if it deviates from the regular schedule.

E-Cloth

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Often crushed/less consistent fibers

No streaks with just water

May need chemicals for same results

Lasts ~300 washes

Many break down faster

Traps and locks in particles

Can smear dirt around

Reduces chemicals & waste, reusable

Less eco, more waste/chemicals

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