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As clean as you or I might try to keep our aluminum apple keyboards, they become filthy after a year or so. This instructable is to help you clean it out. Be careful, because i am not responsible if your keyboard breaks while doing this....SUCKS FOR YOUUU lmfaoo...but seriously it's not that easy to break
Step 1Unplug
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this may sound obvious...but it needs to be stated. If you do not unplug your keyboard, you may cause serious damage to it electronically....so be safe, not sorry. Also, try to get away from your computer, so you don't scratch your monitor (etc.); im only saying that because i'm clumsy and that sounds like something i would do. =]
Carefully remove the top and bottom metal bars (leave the center one in, it's just a stiffener.
Put the metal bars through the tiny metal eyelets, one up and one down, and leave them just barely in each, flat on the bottom.
Carefully seat the space bar, bottom side first (to catch the bottom clips, and then press the top and bottom of the keyboard until the metal bars and plastic tabs all seat themselves.
Good luck!