Dirty Mechanical Keyboard

How to Clean Your Mechanical Keyboard: A step-by-step Guide

A personal mechanical keyboard is dear to all and that's why you should know how to clean your keyboard. Whether you are a gamer, coder, typist or just a tech enthusiast, most users forget that it’s also one of the dirtiest objects they touch daily.

Why to Clean Your Mechanical Keyboard

Research by the University of Arizona identified that keyboards are often breeding grounds for E. coli and Staphylococcus aureus, largely due to skin cells, food particles, and sweat.

Logo of The University of Arizona

Keeping it clean isn't just about aesthetics; it’s about making sure your hardware actually lasts.

A study by CBT Nuggets found that the average office keyboard can contain up to 20,000 times more bacteria than a toilet seat.

Here is a practical guide on when and how to clean your mechanical keyboard.

Mechanical Keyboard full of germs & bacteria

When Should You Clean Your Mechanical Keyboard?

It’s easy to ignore a little bit of dust, but dirt builds up in stages. Here is how to identify when it’s time for maintenance.

Identifying the Dirt

Stage 1: Surface Dust

Visible particles on the keycaps. This is mostly aesthetic but can lead to deeper issues if ignored.

Stage 2: Debris Buildup

Hair, crumbs, and lint trapped between the keys. You might see this more clearly when looking at the keyboard from a side angle.

Stage 3: Grime & Oils

Keycaps feel "greasy" or shiny. This is caused by skin oils and sweat reacting with the plastic.

Stage 4: Performance Issues

Sticky keys or keys that don't register properly. This means the dirt has reached the switches under the keycaps or the plate.

Different stages of dirt on a mechanical keyboard

Light Cleaning

Once a week. A quick wipe-down prevents oil buildup.

Deep Cleaning

Every 3 to 4 months, depending on your environment (shorter if you eat at your desk or have pets).

How to Clean Your Keyboard (Deep Clean Without a Kit)

You don’t need an expensive cleaning kit to do a professional job. You can find everything you need in your kitchen or bathroom. Follow these steps to clean your mechanical keyboard safely.

Step 1: Document Your Layout

Before you touch anything, take a photo of your keyboard. You will need this as a reference when putting the keys back.

Step 2: Unplug and Disassemble

Unplug the keyboard. If you don't have a keycap puller, you can use a flat-head screwdriver or even a sturdy paperclip bent into a U-shape. Gently pry the keycaps off.

Note: Be careful with larger keys like the Spacebar or Shift, as they may have stabilizer wires.

Step 3: Soak the Keycaps

Fill a bowl with warm water and a few drops of mild dish soap. Let the keycaps soak for 30–60 minutes. This breaks down the oils and skin cells. A good keyboard with double-injection molded PBT keycaps does not loose color or smudge in this process.

Keycaps of mechanical keyboard soaking in soap water

Step 4: Clean the Board

While the caps soak, turn the keyboard upside down and give it a firm shake to remove loose debris. Use a dry toothbrush or a makeup brush to sweep out the dust from the plate. For stubborn spots, use a cotton swab lightly dampened with water (or isopropyl alcohol if you have it).

Step 5: Dry Everything Thoroughly

This is the most important step. Rinse the keycaps and lay them out on a towel with the stems facing down. Let them air dry until all the moisture is gone. Any moisture trapped inside the keycap stem can damage your switches.

Step 6: Reassemble

Use your reference photo to pop the keys back into place.

Clean Mechanical Keyboard

Step 7: Testing

Once everything is back together, plug the keyboard in and use a site like Keyboard Checker to ensure every key registers correctly.

Common Mistakes to Avoid

Low poly illustration of not using high heat on keycaps of a mechanical keyboard

1. Using a Hairdryer

High heat can warp plastic keycaps or damage the delicate components inside the switches.

2. Excessive Water

Never pour water directly onto the keyboard base. Only use damp swabs for the plate.

3. Forcing Keycaps

If a keycap isn't coming off, don't yank it. Check if it has a stabilizer clip.

Tips for a Cleaner Keyboard

Low poly Vrkaa style art cleaning hands before using keyboard
  • Wash your hands: It sounds simple, but washing your hands before a long gaming or work session significantly reduces oil buildup.
  • Avoid eating at the desk: Crumbs are the main reason for "sticky" keys.
  • Use a dust cover: When you aren't using your PC, a simple microfiber cloth or plastic cover can keep the dust out.

Send Us A Picture

Is your keyboard looking brand new again? We’d love to see the transformation! Send us a "Before & After" pictures of your keyboard it will make our day. Post it publicly on Reddit or just send it to us via Instagram DM, Discord or E-mail. We might even feature the most satisfying clean-ups in our next community highlight!

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