The folder with the question mark means your system can't find a bootable system. The power fluctuation may have damaged the system. Try starting up from your system installation disk by inserting the disk and restarting holding down the "C" key.
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The folder with the question mark means your system can't find a bootable system. The power fluctuation may have damaged the system. Try starting up from your system installation disk by inserting the disk and restarting holding down the "C" key. Go to the second screen pull down menu to Utilities -> Disk utility and repart the drive and repair the permissions. Now try to start up.
The folder with the question mark means your system can't find a bootable system. The power fluctuation may have damaged the system. Try starting up from your system installation disk by inserting the disk and restarting holding down the "C" key.