MacBook Pro 15" ~2009-10 won't boot

Last night by MacBook Pro 15" froze and manually shut it down (holding down the power button.) Now it won't boot up. I get the Apple symbol and nothing else happens. I've tried holding the shift key and the c key and nothing happens. I have a relatively new 1T hybrid drive. I have a backup from about 1-2 weeks ago on an external drive. What can I do?

Start with SMC and PRAM resets:
http://support.apple.com/kb/ht3964
http://support.apple.com/kb/ht1379
If full functionality has not been restored, read these articles:
https://discussions.apple.com/docs/DOC-5282
https://discussions.apple.com/docs/DOC-3353
Ciao.

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