MacBook Core 2 Duo Problems

I just got it on Thursday, It keeps becoming unresponsive and then sometimes it would turn black and not turn back on and I had to use the Command, Option, P, R
I am doing a restore on it using the preserve settings. Has anyone had these problems and how can I fix it? I hope the restore will help it.
Help!

I would not do an Archive and Install. If the hard drive is corrupted you would be better off reformatting it.
Do the following:
Extended Hard Drive Preparation
1. Boot from your OS X Installer Disk. After the installer loads select your language and click on the Continue button. Then select Disk Utility from the Installer menu (Utilities menu for Tiger.)
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. Otherwise, click on the Partition tab in the DU main window.
3. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Partition button and wait until the volume(s) mount on the Desktop.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process will take 30 minutes to an hour or more depending upon the drive size.
After the formatting has completed quit DU and return to the installer. Now proceed to install OS X. After the installation is completed restart the computer and see if everything is working properly. If not take the computer to an Apple service center and see about having it replaced before your 14 day replacement period expires. After 14 days they will not replace it if it's possible to repair it.
If all is OK you can then reinstall the pre-installed software by running the Bundled Software package on the installer disc.

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