Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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computer won't recognise the new hard drive

I installed a new unformatted hard drive in my MacBook and the system will not recognise the new HD HELP Disk utility does not show the new HD

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Try reattaching the hard drive cable. If that doesn't work replace the cable with a new one.

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Did that-both ends of the cable. It looks to be in good shape.

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Do it again or put the drive in an external enclosure. Where did the drive come from, why are you replacing it?

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I got the drive here. It's a 750GB 7200 Seagate SATA. Physical installation went well (3x!) but the MacBook wont recognize the HD

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Did the old drive work?

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I had the same problem w the origional drive and store teck said it was the HD so i replaced it. I have the Snow Leopard OS disk in and disk utility doesnt see the HD

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