Question ASUS-VivoBook-X505BA making noise top right of keyboard

Jan 15, 2020
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ASUS-VivoBook-15-X505BA recently started making a whistling/wind up type noise with a clicking sound right afterwards - pretty quiet though and usually when I am working on stuff, loading web browser, etc. Sound is coming from the top right of keyboard. Laptop is maybe 3 years old.

Laptop, overall, feels like it is slowing down so not sure if that is due to this or just general use/age. Also, I have Carbonite backup (and have had) just in case anything happens.

Any ideas would be greatly appreciated. Thanks!