chrize4
Level 1 (0 points)

Q: Imac 27 inch medio 2010 won't enter target display mode

I've recently bought a Thunderbolt cable from a Apple Partnered store, for use with my old Imac 27 inch medio 2010.

The reason i bought the cable was, to use my imac as an external display.

I connected it to my newer MacBook Pro Retina, 15-inch, Late 2013, as it is instructed  on Use your iMac as a display with Target Display Mode - Apple Support.

 

However, as I tried, my imac did not enter Target Display Mode...

I have pressed Command + FN + F2 many times, and nothing really happens...

It only opens Displays in System preferences

Any help?

MacBook Pro, iOS 7.1, software problems, booting problems

Posted on Oct 20, 2015 1:13 PM

by rkaufmann87,Apple recommended
rkaufmann87 rkaufmann87
Level 9 (58,924 points)
Photos for Mac
A:

You got the wrong cable!!! Thunderbolt was released in 2011 iMacs. Your 2010 27" iMac has a mini display port. You need a mini- display port cable to activate TDM with your iMac and your MBP.

Posted on Oct 29, 2015 8:28 AM

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chrize4

Q: Imac 27 inch medio 2010 won't enter target display mode

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  • by rkaufmann87,Apple recommended

    rkaufmann87 rkaufmann87 Oct 29, 2015 8:28 AM in response to chrize4
    Level 9 (58,924 points)
    Photos for Mac
    Oct 29, 2015 8:28 AM in response to chrize4

    You got the wrong cable!!! Thunderbolt was released in 2011 iMacs. Your 2010 27" iMac has a mini display port. You need a mini- display port cable to activate TDM with your iMac and your MBP.

  • by chrize4,

    chrize4 chrize4 Oct 29, 2015 8:32 AM in response to rkaufmann87
    Level 1 (0 points)
    Oct 29, 2015 8:32 AM in response to rkaufmann87

    Thank You! It worked!

    They said a Thunderbolt to Thunderbolt cable would work, as it is backwards compatible.

    However, this wasn't the cause in my scenario

  • by rkaufmann87,

    rkaufmann87 rkaufmann87 Oct 29, 2015 8:54 AM in response to chrize4
    Level 9 (58,924 points)
    Photos for Mac
    Oct 29, 2015 8:54 AM in response to chrize4

    chrize4 wrote:

     

    Thank You! It worked!

    They said a Thunderbolt to Thunderbolt cable would work, as it is backwards compatible.

    However, this wasn't the cause in my scenario

    Your welcome, if you agree this has been answered please mark the thread as such. This may help another user.