Scratchy noise coming from top end of keyboard. Not effecting performance but very noisy and worrying! What is it? Is my computer seriously damaged? Is it easily fixed? Thanks for any help

Scratchy noise coming from top end of keyboard. Not effecting performance but very noisy and worrying! What is it? Is my computer seriously damaged? Is it easily fixed? Thanks for any help

It would be helpful if you were to identify the model of MBP you have. 
The noise makers on a MBP are the fan(s), the HDD and the optical drive.  Can you locate the exact position where the noise is coming from?
Ciao.

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