Are hoovers too strong, what has workked for you?-thanks
You can buy miniature vacuum cleaners hat are USB powered to use on your keyboard, but the ?2.99 one I bought didn't have that much power to be of any use. An actual cleaner with the crevice nozzle (or upholstery nozzle if it's a powerful beast) would do fine, Alternatively, you can buy cans of compressed air that have a thin straw on the end. This can be put inbetween the keys to blast muck out. Only pop off keys if you remember where they go. Note that laptop keyboards and some other types of keys (Generally the ones that don't make a 'click' sound when pressed) don't clip straight on and could be damaged by removing them the wrong way.
I pop the keys off a couple at a time and then shake it out