Weird noise and the MacBook doesn't start

Heyya guys!
A friend of mine has this MacBook white and for some reason the computer doesn't start... i don't even get the Apple logo and there is something strange on the combo drive... It sounds like it's trying to eject something or read something but there's nothing inside....
Any suggestions?
Thanks!

Does your friend have the original install discs for the computer?
If so, have your friend insert Install Disc 1 and boot the computer with the C key held down. Once the Installer loads, choose a language, then from the Utilities menu, choose *Disk Utility*. If your friend is using Boot Camp to run Windows, have him/her click on *Macintosh HD* in the left-hand column. If Windows is not being run, have him/her click on the top-most hard drive icon, which will have the capacity of the drive listed.
Once a drive is selected, click the *Repair Disk* button. Record any errors that can't be repaired, if any.
If the install DVDs aren't available, have your friend try booting in Safe Mode by holding the Shift key while booting.
~Lyssa

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Weird noise and the MacBook doesn't start

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