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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook - Hard drive invisible; cannot install OSX

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Member Since: Dec 15, 2008
Posts: 4
mrbartwig is on a distinguished road

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I have a Macbook, Intel based, purchased in 2007. Last week, I got the gray screen of death (probably from moving my Mac before it went all the way to sleep). I ran disk repair and had the "Invalid B-tree node size" and "Volume needs to be repaired." I searched all kinds of forums and tried everything, but what finally worked was a Zero out Erase. Disk Utility then repaired the drive, and I was happy.
But, now when I go to reinstall OS X off the Disk, when I get to "Select a Destination" there is NOTHING there. There is no drive to select. How can I reinstall OS X? Anyone? Thanks.
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Member Since: Aug 20, 2005
Location: Redlands, CA
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Mac Specs: Macbook Pro 15" 2ghz/2GB/250gb/SD - White Macbook 2.16ghz/2.5GB/250GB/SD

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You need to make sure your harddrive is formatted in HFS+ (Mac OS Extended Journaling) and has a GUID partition table.

Boot into your OS X disk, choose Disk Utility, and click on your Harddrive, and create a new Partition with a GUID table.

Once that is done, you should be able to install OS X without any problems.
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Member Since: Dec 15, 2008
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Perfect. It worked. Thanks.
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Member Since: Jun 21, 2009
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I have a Macbook, Intel based, purchased in 2007. I suddenly got a grey screen with the sign of death. I tried to reinstall the system (Leopard) from the CD, but the computer does not see the hard disk. I tried disk utility but it does not see the hard disk either.

I understand form several posts that this may mean the disk is dead, or that somehow its formatting/GUID partition table went wrong. However, in most cases the posts were too technical for me to understand what I should do to solve my problem....

Could someone explain me in simple terms how I could test whether the disk is OK, and if it is, how I could have access to it to check its format/partition table?

Thanks a lot for your time and help.
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