My Macbook doesn't recognise the startup disk

I started having problems with Yosemite and lion (installed in the same hard drive, different partitions) so i erase all and instal mavericks, the macbook is late 2009 stock but i don't have startup disk, when i install mavericks it tells me that wont boot and it went an error trying to install, so i am able to boot with the alt key but my mac doesn't recognise de boot disk, when i try to select the startup disk on preferences it tells me: "You can’t change the startup disk to the selected disk. The bless tool was unable to set the current boot disk.", what i can do, i can boot with the alt key but it doesn't boot automatically.

If you erase a drive, then in order to install Lion or later you must first install Snow Leopard 10.6.8. You can install Snow Leopard using the installer discs that came with your computer when it was new. You can then update the version of Snow Leopard to 10.6.8 by downloading the combo updater.

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    I found a great short article by Aaron Sumner posted 02/02 which clearly explains the process. Thanks.

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    Model: MAXTOR 6L060J3
    BSD Name: disk0
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    OS9 Drivers: Yes
    S.M.A.R.T. status: Verified
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    Ok. This is really simple to do.
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        http://support.apple.com/kb/PH11212
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        http://support.apple.com/kb/HT4946?viewlocale=en_US&locale=en_US
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        System Preferences > Spotlight > Privacy
        http://support.apple.com/kb/ht2409

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  • TA22302 freeing up space on the startup disk on a macbook

    How to free up space on the startup disk on a macbook?

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    When I turn on the macbook it stays on the grey screen and never loads. This has been happening more, even when I hold down option on start up it doesn't load sometimes. I have had problems with safari freezing and even force quit wouldn't work so I have had to manually shut down the computer. When I try to start it back up that is when it doesn't load. But the safari problem has gotten much better and doesn't freeze much anymore, but today on start up it stayed at grey screen. This is a annoying problem and please help! Thanks.

    dictionary. wrote:
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  • Trying to get rid of error "The startup disk cannot be partitioned or restored to a single partition". Recovery HD visible.

    Hello,
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