How to Clean a Keyboard Properly Without Damaging It
Safe surface cleaning and when to consider a deeper clean.
Surface cleaning (regular, without disassembling anything)
- Turn off the machine or disconnect the keyboard.
- Turn it upside down and gently shake it to loosen crumbs and dust accumulated between keys.
- Compressed air between the keys, in short bursts.
- A lightly dampened cloth (not soaked) with water or isopropyl alcohol for the surface of the keys.
Warning: never spray liquid directly onto the keyboard — dampen the cloth, not the keyboard. Liquid that seeps between keys is the most common cause of keyboards damaged during cleaning.
Deep cleaning (removing the keys)
On mechanical keyboards, many keys are removable with a "keycap puller" (a cheap tool specifically for this) — it lets you clean under each key individually. On membrane keyboards, this is trickier and not always advisable without prior experience.
Tip: take a photo of the keyboard before removing keys if you aren't sure of the exact order — it makes putting them back correctly afterwards easier, especially on keyboards with non-standard layouts.
Frequently asked questions
Can I spray cleaner directly onto the keyboard?
No, never — dampen a cloth instead. Liquid that seeps between the keys is the most common cause of real damage during cleaning.
Is it easy to remove the keys on a membrane keyboard?
It's trickier than on a mechanical keyboard — membrane's internal mechanisms are less robust and aren't always designed to be easily removed and put back.