Grind noise when waking up

My MacBook is about 2 months old and from the very beginning, or very close to it, it has made this weird grinding noise when I open the lid and it wakes up. It sounds as if it were coming from the DVD drive, but the sound happens whether or not there there is a DVD/CD in or not. I'm concerned that there might be something wrong and I'm wondering if anyone else has ever had this problem.
Thanks.
-Serena

Nope, thats perfectly normal mine does that too. Its just the DVD/ CD-RW drive waking up as well a bit annoying but again normal.

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