cplassiter

Q: Windows 7 sp1 with two thunderbolt displays on MacMini (late 2014)

Has anyone gotten Bootcamp Windows 7 sp1 to work with two thunderbolt displays on the new MacMini (Late 2014)

The Thunderbolt display FAQ says that it supports two Thunderbolt displays on this hardware running bootcamp, but when I installed Windows 7 it will only detect one display at a time.

-Tried one thunderbolt display in each thunderbolt port

-Tried daisy chaining one display from the other

-Re-installed the bootcamp 5.1 drivers

-Installed the latest Intel Iris Graphics driver directly from intel (3/3/2015)

 

Running out of ideas.  Any help would be appreciated

Chris

Mac mini, Windows 7, Late 2014 model w/i-7 Iris 5100

Posted on Mar 31, 2015 9:50 AM

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Q: Windows 7 sp1 with two thunderbolt displays on MacMini (late 2014)

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  • by cplassiter,

    cplassiter cplassiter Mar 31, 2015 11:40 AM in response to Loner T
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    Mar 31, 2015 11:40 AM in response to Loner T

    Not familiar with this process.  Do you have a how-to link to get the EFI-boot?  I am currently googling but if you have one you have followed before I would use that.

  • by Loner T,

    Loner T Loner T Mar 31, 2015 12:15 PM in response to cplassiter
    Level 7 (24,237 points)
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    Mar 31, 2015 12:15 PM in response to cplassiter

    The steps I have outlined should work. If you execute them and run into any issues, I can guide you through these.

  • by cplassiter,

    cplassiter cplassiter Mar 31, 2015 12:27 PM in response to Loner T
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    Mar 31, 2015 12:27 PM in response to Loner T

    Using Windows 7 USB created by Bootcamp.  When I start holding down option/alt key I see 3 drives (Macintosh HD, Recovery 10.10.1, and Windows) no EFI boot.

     

    Is this a windows 8 only option?

  • by Loner T,Helpful

    Loner T Loner T Mar 31, 2015 2:14 PM in response to cplassiter
    Level 7 (24,237 points)
    Safari
    Mar 31, 2015 2:14 PM in response to cplassiter

    This is the USB directory structure for a W7 USB created by BCA. Notice the EFI structure. If you click on Windows, and the MBR has been removed (when BCA was used to remove previous Windows installation), your disk is a GPT-only disk after DU was used to create a Free Space partition, which should use EFI installer. Select Windows and post any error messages you get.

     

    Bootcamp-W7-USB.png

     

    You still need to choose to format this partition to NTFS.

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