forgot to mention that this keyboard cleaning compound will help a lot to get rid of those plastic pieces and dusts left inside. If you don't have a dust blower at home.
[ame="http://www.amazon.com/Cyber-Clean-25054-Home-Office/dp/B002C03AIA/ref=sr_1_sc_2?s=electronics&ie=UTF8&qid=1435389935 &sr=1-2-spell&keywords=keyboard+cleaner+jel"]Amazon.com: Cyber Clean 25054 Home & Office Foil Zip Bag - 2.65 oz.: Electronics[/ame]