My MacBook froze & now won't turn on.

My Macbook is not working. It first froze while I was using it, then it just turned off. I tried to turn it on but then it just stayed black but this time with a little blue square with a circle which is spinning. What should I do?

There are quite a few things you may try from the sidebar "More Like This", so if my suggestions don't help, you may choose to read through a few of those from others that had similar issues and how they resolved them.
1) Get your original disks or 10.6 if you have it, insert it in your drive and restart with the C key down. Once you're started off the cd, you can choose the Utilities menu from the menu bar and choose "Disk Utility".  Select your Hard drive on the side and choose "Repair Disk", and after it's done -- if it's successful -- choose "Repair Permissions".  Once you're done, restart and see if it boots.
If it doesn't boot, you'll want to let us know if you've backed up your information or not. Please learn from this situation if you haven't, and when your system is working again, get yourself an external drive and start backing up your system with Time Machine.  If you have been backing up with Time Machine, great!  There will be a lot of other options we have to proceed.

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    Reset SMC.
    http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
    A new Mac comes with 90 days of free tech support from AppleCare.
    AppleCare: 1-800-275-2273
    Contact Apple.
    Best.

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    Hi kevven, and a warm welcome to the forums!
    Just to expand a bit on Sig's great advice...
    "Try Disk Utility
    1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
    2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
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    3. Click the First Aid tab.
    4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
    5. Select your Mac OS X volume.
    6. Click Repair. Disk Utility checks and repairs the disk."
    http://docs.info.apple.com/article.html?artnum=106214
    Then Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
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    http://docs.info.apple.com/article.html?artnum=107120
    I only use Software Update to see what is needed, then get them for real via...
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    If you want to preserve the data on the boot drive, and it's not already backed up, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data, you can skip this step.
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