Don't go to sofitel and if it is still under warranty then take it to the place from where you got it, but I don't think that they will replace it for free. 10 Keys = Replace Whole Keyboard my dear ... sorry to say that but they will ask to replace it. For HP it would be Redington on C-Ring road.

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Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. (Gautama Buddha)