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All replies
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Helpful answers
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Mar 31, 2015 9:55 AM in response to cplassiterby Loner T,Are you able to use both displays on the OSX Side?
You may want to go back to Apple TB drivers which should be available via BCA Download Software Option from
System requirements to install Windows on your Mac via Boot Camp - Apple Support
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Mar 31, 2015 9:54 AM in response to Loner Tby cplassiter,Yes they both work perfectly in 10.10.2.
Also, the second thunderbolt connected in windows that won't be detected as a display has full usage of the ports (USB, Thunderbolt, ethernet)
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Mar 31, 2015 9:58 AM in response to cplassiterby Loner T,If you have external TB storage, have you tried Mini -> TB Display 1 -> Storage -> TB Display 2 in Windows?
In Control Panel -> Displays, can you detect and identify all displays?
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Mar 31, 2015 10:00 AM in response to cplassiterby cplassiter,Can you please clarify what you mean go back to Apple Thunderbolt drivers? I have fully downloaded the BCA drivers on a USB stick, are you saying to run the whole installer once more to repair the drivers?
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Mar 31, 2015 10:02 AM in response to cplassiterby cplassiter,In control panel I can not detect all displays.
I will try a thunderbolt device daisy chaining between one display to another in a moment.
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Mar 31, 2015 10:13 AM in response to cplassiterby Loner T,The Intel drivers may not work properly. The Apple drivers should work much better. There is no specific Mini Model indicated. Which model of the Mini do you have?
Please also see Thunderbolt ports and displays: Frequently asked questions (FAQ) - Apple Support
4. How many Apple Thunderbolt Displays can I use with a Mac in Windows 7 or 8 with Boot Camp?
Most Mac computers can support one Thunderbolt display using Windows. The iMac (Retina 5K, 27-inch, Late 2014) and Mac mini (Late 2014) can support two, and the Mac Pro (Late 2013) can support up to six.
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Mar 31, 2015 10:15 AM in response to Loner Tby cplassiter,I have the MacMini (late 2014) 3Ghz i7 with Iris 5100 graphics.
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Mar 31, 2015 10:21 AM in response to cplassiterby Loner T,You are using the top Mini model available currently. Do you have the ability to install W8+ as a test?
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Mar 31, 2015 10:23 AM in response to Loner Tby cplassiter,I do have that ability and that was my next step if no resolutions became apparent for windows 7.
Thanks for your quick responses. I will install windows 8 and reply back the results
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Mar 31, 2015 10:28 AM in response to cplassiterby Loner T,Before you delete W7, was your Windows installation using EFI or the standard default BC Assistant method?
Does Device Manager show both Displays, not Control Panel -> Displays?
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Mar 31, 2015 10:36 AM in response to Loner Tby cplassiter,Device Manager shows under Monitors one Generic PnP Monitor
The installation was done under the default BC Assistant method
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Mar 31, 2015 2:13 PM in response to cplassiterby Loner T,★HelpfulCan you post the output of the following Terminal commands? Do you have a Fusion drive?
diskutil list
sudo fdisk /dev/disk0
EFI Installation may be able to expose devices better. You can try this as a test.
1. Remove Windows using BC Assistant.
2. In Disk Utility create a Free Space partition of the size you want (this behaves differently on a Fusion drive).
3. Insert your USB Windows Installer.
4. Power cycle you Mini and hold the Alt/Option key.
5. Choose EFI Boot and install Windows. Install BC Drivers.
6. Test with two displays. Check Device Manager for Displays.
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Mar 31, 2015 11:13 AM in response to Loner Tby cplassiter,All SSD drive (Tried on another MacMini (late 2014) with a fusion drive with the same problems connecting the displays
Loggers-Mac-mini:~ logger$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh HD 30.4 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Microsoft Basic Data BOOTCAMP 469.0 GB disk0s4
Loggers-Mac-mini:~ logger$ sudo fdisk /dev/disk0
Disk: /dev/disk0 geometry: 60821/255/63 [977105060 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
2: AF 1023 254 63 - 1023 254 63 [ 409640 - 59410232] HFS+
3: AB 1023 254 63 - 1023 254 63 [ 59819872 - 1269536] Darwin Boot
*4: 07 1023 254 63 - 1023 254 63 [ 61089792 - 916015104] HPFS/QNX/AUX
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Mar 31, 2015 11:19 AM in response to cplassiterby Loner T,This is the traditional BC installation. You have a Hybrid MBR. Try the EFI method on the non-Fusion mini and check if you see any improvements.