Seagate 300gig sata hard drive not recognized

I'm trying to install a seagate 300gb sata hard drive in my dual 2.0 g5.
I can plug in the two cables and the drive fits in fine, it even spins, however the computer does not recognize that the drive is there.
I've checked the sata in the system profile and tried disk utility but it is simply not there. Could this be a wiring problem or a bad drive? How do I check this?

My guess is that it is a Seagate 7200.9 with SSC on. If that is the case you will need a PC and this tool:
http://www.seagate.com/support/kb/disc/faq/ssc.html

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Whether the hard disk is recognized in BIOS?
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HELP!
guys, i badly need your help. i've been searching all over the internet and reading so many user groups already to search for answers to no avail.
I bought a new Western Digital 160GB Scorpio SATA hard drive. I wanted to upgrade my Macbook which only has 80GB as of now.
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1) Open Disk Utility.
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Hi @jasmine00
Welcome to the HP Support Forums.
I certainly understand your issue with the drive upgrade. Unfortunately it is a bit of the nature of notebooks, the sacrifice of a large amount of upgradeability, in exchange for compactness and portability. Whenever a new technology comes out, older notebooks are never really going to be easy to upgrade, it at all. Normally the unit as a whole is tested with a set list of hardware, and only those items are supported.
That being said there is this document that could be helpful with your problem.
Preparing Advanced Format hard drives for Microsoft Windows installations on HP Business Notebook PC...
And for your reference:
HP Pavilion dv6000 Notebook PC Maintenance and Service Guide
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
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Thanks for that, I recently ran into the same problem. I even chatted with Seagate tech support and they didn't know the answer.
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Message was edited by: Rod Hagen

Seagate 300gig sata hard drive not recognized

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