MBP - 2.53GHz, mid 2009 - Ram Upgrade?

I just bought a used MBP - 2.53GHz, mid 2009.  The Crucial.com app says I can upgrade to 8gb ram, but the system only seems to show that I can keep the current 4gb.  Which is accurate?
Thanks!

that's what Crucial says...
But the apple page below says 4.
http://support.apple.com/kb/HT1270?viewlocale=en_US&locale=en_US#link4

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  • 15-inch, 2.53GHz, Mid 2009: 10.9.1 -running slow. Any way to speed it up?

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    15
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    5
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    6
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    2
    2.2 MB
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    Rahul
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    3
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    2
    20.0 MB
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    4
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    Intel (64 bit)
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    5
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    4
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    4
    12.6 MB
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    Rahul
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    2
    6.0 MB
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    Rahul
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    1
    20 KB
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    1747
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    Rahul
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    5
    19.3 MB
    Intel (64 bit)
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    Rahul
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    3
    8.3 MB
    Intel (64 bit)
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    Rahul
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    2
    13.7 MB
    Intel (64 bit)
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    Rahul
    0.0
    5
    71.7 MB
    Intel
    270
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    Rahul
    0.0
    2
    1.9 MB
    Intel (64 bit)
    184
    usernoted
    Rahul
    0.0
    2
    3.3 MB
    Intel (64 bit)
    188
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    Rahul
    0.0
    3
    13.3 MB
    Intel (64 bit)
    3928
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    Rahul
    0.0
    2
    3.6 MB
    Intel (64 bit)
    242
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    Rahul
    0.0
    4
    2.0 MB
    Intel (64 bit)
    156
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    Rahul
    0.0
    1
    916 KB
    Intel (64 bit)
    192
    accountsd
    Rahul
    0.0
    2
    5.2 MB
    Intel (64 bit)
    253
    Lexmark Button Monitor
    Rahul
    0.0
    3
    3.2 MB
    Intel
    4979
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    Rahul
    0.0
    2
    4.1 MB
    Intel (64 bit)
    167
    SystemUIServer
    Rahul
    0.0
    8
    38.0 MB
    Intel (64 bit)
    289
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    Rahul
    0.0
    2
    9.9 MB
    Intel (64 bit)
    325
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    Rahul
    0.0
    4
    32.0 MB
    Intel
    239
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    Rahul
    0.0
    3
    1.9 MB
    Intel (64 bit)
    1659
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    Rahul
    0.0
    5
    17.8 MB
    Intel (64 bit)
    257
    Microsoft AU Daemon
    Rahul
    0.0
    2
    3.4 MB
    Intel
    153
    fontd
    Rahul
    0.0
    2
    4.9 MB
    Intel (64 bit)
    189
    com.apple.dock.extra
    Rahul
    0.0
    2
    16.6 MB
    Intel (64 bit)
    164
    Mail
    Rahul
    0.0
    1
    20 KB
    Intel (64 bit)
    254
    LxkNetworkServices
    Rahul
    0.0
    5
    3.1 MB
    Intel (64 bit)
    4980
    com.apple.audio.ComponentHelper
    Rahul
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    2
    4.5 MB
    Intel (64 bit)
    229
    maspushagent
    Rahul
    0.0
    2
    5.1 MB
    Intel (64 bit)
    186
    tccd
    Rahul
    0.0
    2
    3.1 MB
    Intel (64 bit)
    247
    SpotifyWebHelper
    Rahul
    0.0
    3
    3.3 MB
    Intel
    179
    NetworkBrowserAgent
    Rahul
    0.0
    3
    4.5 MB
    Intel (64 bit)
    3926
    cookied
    Rahul
    0.0
    2
    2.8 MB
    Intel (64 bit)
    1782
    printtool
    Rahul
    0.0
    2
    2.2 MB
    Intel (64 bit)
    147
    cfprefsd
    Rahul
    0.0
    4
    6.9 MB
    Intel (64 bit)
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  • New ssd install in MBP 5,3 (mid 2009 model)

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  • MBP battery "Not Charging" after RAM upgrade

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  • Mac Mini Mid 2011 Ram Upgrade to Clock 1600mhz...?

    I intend to upgrade the Memory on my Mac Mini Mid 2011 to 8gb. Question here is its currently running Two 1gb Chips at 1333mhz and I was wondering if I could get Two 4gb Chips at 1600mhz and have them mounted...?
    Is that possible or will I have to stick to a 1333mhz Module...?

    Stick with the recommended RAM for the computer.......
    .....make sure your mini will not go past 8GB.....
    http://eshop.macsales.com/shop/mac-mini/

  • Mac mini (mid 2010) RAM upgrade 4GB or 8GB

    I have a mid 2010 Mac mini with 2GB of RAM. My question is - Should I upgrade the RAM to 4GB or 8GB?
    Thank you, DZetko

    It's is better to go for the full 8GB upgrade now,
    that way you will not have to upgrade again when OS X and your personal usage demand more. 

  • Mac Mini MID 2010 RAM UPGRADE... 1066 or 1330 GHRZ?

    Hi
    I had read something about upgrading the mac mini`s ram and some people had upgrade it with 1,3Ghrz of speed, but is not that clear. (DDR3)
    I want to know opinions about this, cuz the 1,3ghrz of ram are more frequently found on PC hardware stores instead the 1ghrz... (there is 0,8ghrz of ram, but I think they are pretty slow for the mini)
    my last question is about how much is recommended to upgrade... 8gb or 4gb... i usually use my Mini to edit video with iMovie and gaming (Steam, or League Of Leguends)

    I am sure Ronda has tracked you down, there is a party in your honor around the Water Cooler in the Lounge. You should have a link to it eventually. It will be going strong by the time you arrive in the next day or so!
    ¡Felicidades!
    Dah•veed

  • Mac Mini Intel Core 2 Duo - 2.0GHz Mid 2007 RAM upgrade

    Hello
    I'm looking to upgrade the RAM in my 2007 Intel Core 2 Duo - 2.0GHz Mini - I've gone to the Crucial website and it's recommended via the scanner software on there, a 2GB kit (2 x 1GB sticks - http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=C8AF5484A5CA7304) however I thought that this model could handle up to 4GB (although only "see" 3GB), yet the Crucial site says that the 4GB kit from here http://www.crucial.com/uk/store/partspecs.aspx?IMODULE=CT2KIT25664AC667 isn't suitable for use?
    Is their site wrong on this matter or is there a specialised 4GBG kit they produce for the Mac Mini?
    TIA!

    Crucial sticks to official maximums given by the manufacturer. This is because they don't want to get ensnared in support issues when firmware updates are required or when you don't see the literal full amount of memory the hardware (sticks of RAM) supply.
    Other World Computing is more helpful in this regard, and guarantees their memory just as well as Crucial does.
    http://www.macsales.com/
    You have to weigh which is a more effective solution for you.

  • How to reset SMC (MBP Unibody 17 mid 2009) with an external keyboard?

    Hi all,
    I had a problem on my MBP and left shift key on internal keyboard is not working.
    How can I reset the SMC (left side Shift of internal keyboard is needed) with an external keyboard? Or what else can I do to reset it without the Left Shift of integrated keyboard?
    Thanks.

    Hi Eww,
    thanks for suggestion I know but changing keyboard on a Unibody 17 is very expensive as it's all the top assembly part, and before deciding about it (I can live with one shift key not working) I need to try an SMC reset...and it's very strange there's no other way!
    I was looking at the possibility of reinstalling the firmware again (overwriting it with same version) but I can't find any SMC frimware update on apple website for my model as it was provided with the latest one anyway.
    Any idea?
    G

  • Tried to upgrade HD in Macbook Pro 15" mid 2009.

    Tried to upgrade HD in MacBook Pro 15" mid 2009.  Upgrade HD is WD 1TB (WD10JPVT).  Installed from scratch in a USB container.  Within that container the disk boot and ran fine.  The problem started when I installed in the computer.  The disk boots fine, but runs EXTREMELY slow.  I have reset the system management controller and PRAM.  Any suggestions?

    That could explain the lag. Go into Disk Utility, click on the storage DEVICE (above the Macintosh HD volume), then check how it shows up in the specs on the bottom of the window. MUST say:
    Partition Map Scheme : GUID Partition Table
    If not, you will have to repartition (click on the Options button, may need to delete the current partition) and format again. No other way.

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