While it is normal for a cooling fan to spin faster and produce more noise upon startup, the cooling fan in the below listed VAIO notebooks may exhibit a continuous scraping, whirring, chriping and/or clicking noise while running.

Applicable Models
This issue only applies to these VAIO® computer series models:

• VGN-CS1xx, VGN-CS2xx, VGN-CS3xx
• VGN-BZ5xx

Resolution
As a part of our commitment to quality, for any customer who requires replacement of the cooling fan due to this issue, Sony will provide a free repair for an additional 36 months beyond the standard limited 12 month warranty (48 months total) for fan replacement.

• If you are currently experiencing this issue, Sony strongly recommends that you repair your computer as soon as possible. Please contact us at 1-888-476-6972 to set up a repair service at our Sony repair facility.

We apologize for any inconvenience this issue may cause and are dedicated to constantly improving the quality of our products. ”

Thank you very much for your understanding.

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As a Certified Sony Tech i have changed many of these fans. Takes 15 Min and Sony gives you an addtional 1yr factory warranty extension on the fan only.