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harryb2448

 
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Member Since: Nov 28, 2007
Location: Nambucca Heads Australia
Posts: 17,413
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Mac Specs: iMac i5 2.7GHz OS X.9.4 and OS X.10

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Got your original system install discs? Pop in disc one, reboot and hold down "D" after the chime to access Apple Hardware Test and run extended mode. That checks everything out including logic board, graphics, memory etc. Have you booted from your current system disc and run Repair Disk in Disk Utility? To do this pop in the DVD, reboot and hold down 'C' immediately after the chime, go to Utilities in the Menu Bar after selecting language, and open Disk Utility from there.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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