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Hard drive not recognized after installation.

Hello, my original drive was making terrible noises and I couldn't even reformat the drive. So I bought a new drive. I did the complete process to install the drive and the computer did not come up at all. I re-installed the original drive and the computer started up fine the first time. The next time it would not start. I reset the PRAM and from then on the computer does not recognize either one of the drives, it does not show the hard drive during OSX installation. Neither the original drive, nor the new drive.

Thanks for your advice.



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Format the new hard drive first.

Start up from the system installation disk, go to the second screen pull down menu, Utilities, Disk Utility select the drive on the left and format it and give it one partition. Now install the system.

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Check the connector

on the logic board - these were known to tear lose if handled to rough.

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Good Luck,


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Erich Hentschel wird auf ewig dankbar sein.

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