I got Conned. Please help with About This Mac.

Discussion in 'Mac Basics and Help' started by wakuman, Feb 5, 2013.

  1. wakuman, Feb 5, 2013
    Last edited: Feb 5, 2013

    macrumors newbie

    Joined:
    Feb 5, 2013
    #1
    I recently got mugged and lost my macbook air.

    Bought a 2nd hand 13-inch macbook air from a friend's friend's friend. Everything was fine.

    "About This Mac" shows 1.8GHz Intel Core i7 with 4 GB 1333 MHz DDR3 Ram and 256 GB SSD.

    After purchase, and after I online. About This Mac show 11-inch, Mid 2011.

    [​IMG]

    I am very sure the info here is incorrect because this is a 13-inch. The serial Number is also false. even the processor turns out to be inaccurate. I have opened up the macbook air myself and I am sure of it.

    I don't really mind all that now. But I want to correct the info on About This Mac. I've clean format the mac using external thumb drive, but all the info is still inaccurate. can anyone teach me how to correct it?

    I know how to change the About This Mac by editing AboutThisMac.strings but this is not what i want to achieve as it is not real. Can anyone help me to reset the Info back to its REAL Info?

    Please and thanks in advance.
     

    Attached Files:

  2. macrumors 68030

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    Oct 21, 2012
    #2
    If the spec is OK, it may have just had the wrong serial number put in during a repair. It can happen.
     
  3. macrumors 6502a

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    Columbia, MD
    #3
    Hold apple-R at boot and restore the system. You never know what bad stuff can be lurking inside.
     
  4. thread starter macrumors newbie

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    Feb 5, 2013
    #4
    I've already formatted the Mac twice using my own thumb drive Mountain Lion. Is this different? or the same?
     
  5. macrumors 68040

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    Jul 11, 2009
    #5
    Well, is it an 11 inch or 13 inch computer?

    What do you see in System Report?
     
  6. macrumors P6

    Peace

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  7. thread starter macrumors newbie

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    #7
    The spec is not right. This macbook air is actually a 1.7GHz i5. not 1.8ghz i7. I did consider the serial number scenario as you suspected but I am not sure if that will effect the information on the following information
     

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  8. thread starter macrumors newbie

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    #8
    Its a 13inch.

    System report says 11 inch.
     
  9. macrumors P6

    Peace

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    #9
    If you did indeed reinstall the OS via thumbdrive and the system profiler says 11 In. then you have an 11 In. MBA.

    Have you tried to measure it like I suggested ?
     
  10. thread starter macrumors newbie

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    Feb 5, 2013
    #10
    Actual Spec: 13inch, 1.7GHz i5, 4GB Ram, 256GB SSD.

    System profiler shows: 11inch, 1.8GHz i7, 4GB Ram, 256GB SSD. system profiler also shows wrong serial number.
     
  11. macrumors 68030

    Joined:
    Oct 21, 2012
    #11
    It's detecting the resolution correctly for a 13".

    It uses the serial number to determine which model to show. The last 3 digits of that serial will be of an 11" air - hence why it thinks it's an 11". That can happen during repair, and there's nothing to worry about. As for the specs - no idea why they're incorrect - are you *sure* you have an i5 - how did you check?

    The specs are picked up from the hardware itself.
     
  12. thread starter macrumors newbie

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    Feb 5, 2013
    #12
    my wife is using a 11 inch macbook air. she is with me now.
     
  13. macrumors 68040

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    Jul 11, 2009
    #13
    It sounds like the logic board got replaced at some point with the board from an 11 inch, though I would not expect that was possible.
     
  14. macrumors P6

    Peace

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    #14
    Sorry man but until you physically measure it I'm going to have to conclude this is a trolling thread.
     
  15. macrumors 68030

    Joined:
    Oct 21, 2012
    #15
    It's not, somebody just put the wrong serial number in.

    Paste this into terminal, and show us what it says:

    system_profiler | grep "Processor"

    ----------

    It's 13" - you can see from the resolution. I think he has an i7 and not an i5 though.

    He thinks he has an i5 13". What he has is an i7 13" with the serial number (from a repair) of a 13".
     
  16. thread starter macrumors newbie

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    Feb 5, 2013
    #16
    My tech friend opened the laptop and saw the processor to be i5.

    The serial at the bottom and inside this mac is totally different.

    is there any way i can change the serial to try?
     
  17. macrumors 68030

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    Oct 21, 2012
    #17
    So he took the heatsink off? Your friend is BS'ing. That command I posted will tell you what's in there.

    You can't change the serial number.
     
  18. macrumors P6

    Peace

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    #18
    Ok. Thanks. I was wrong.

    Perhaps the display was replaced ?
     
  19. thread starter macrumors newbie

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  20. thread starter macrumors newbie

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    #20
    I'm not sure about this. I did find ways to put it serial number if that field is null.
     
  21. macrumors P6

    Peace

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    #21
  22. macrumors 68030

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    Oct 21, 2012
    #22
    You can only change the serial number of a blank board - one that hasn't had a serial number before.

    You used to be able to, but it's no longer possible.
     
  23. thread starter macrumors newbie

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    Feb 5, 2013
    #23
    Can authorised Apple technician change it?
     
  24. macrumors 603

    blueroom

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    Location:
    Toronto, Canada
    #24
    Yes. I'd take it in.
     
  25. macrumors 68030

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    Oct 21, 2012
    #25
    They can change the MLB, but not the serial.
     

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