Try starting up from your system installation disk ("C" key). If this works try using Disk Utilities on the installation disk to repair the hard drive. That fai9ling, rep-lace the hard drive.
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Try starting up from your system installation disk ("C" key). If this works try using Disk Utilities on the installation disk to repair the hard drive. That failing, replace the hard drive.
Try starting up from your system installation disk ("C" key). If this works try using Disk Utilities on the installation disk to repair the hard drive. That fai9ling, rep-lace the hard drive.