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  1. #1
    Angry Bootcamp install win 10 on late 2015 27 inch imac..please help.
    Hi All I have a late 2015 27 inch imac,upgraded to high sierra and installed windows 10..all seems well at the end of installing win10,in windows i go into device manager and everything is good, except i get 1 or 2 "unknown devices", which i have no idea what they are ( i started from scratch again, and got the same result) ok, seems to run ok wont worry..the 2nd issue is although windows device manager says my graphics card( radeon r9 380m) is listed, i downloaded 3d mark, and after it finished it said it didnt recognise my graphics card?? i went into device manager and clicked on properties and on one of the tabs it says some driver components arnt installed or installed correctly..also i went into bluetooth in device manager too, and it too said the same (altho seems to be functioning fine)..any one else have these anonamoliies with a similar vintage mac and does anyone know how to get my graphics going? any help greatly appreciated

  2. #2
    Bootcamp install win 10 on late 2015 27 inch imac..please help.
    ferrarr's Avatar
    Member Since
    May 21, 2012
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    Pawtucket, RI, US
    Posts
    4,945
    Your Mac's Specs
    L2014 Mac mini macOS Mojave, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Did you make the USB for the Apple winOS 10 drivers?

    Check out this Article for more help, https://support.apple.com/en-us/HT204923
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  3. #3
    The unknown partitions are your Recovery partition and OS X/macOS partitions. Windows can't read these partitions and you SHOULD NOT mess with them. If you do, you won't be able to boot back into macOS. If you've installed all the boot camp drivers then all the various peripherals should be functioning within Windows. When it comes to GPUs, specific graphics programs might try to access the hardware directly and not rely on what the OS says and they might have issues in the Bootcamped Mac environment.

    However, if things are working without any issues I wouldn't stress the issues.

    If your intention is to play games on Windows and you are getting the type of graphical performance you'd expect, then I wouldn't worry about it.
    --
    Regards
    ...Ashwin


  4. #4
    Quote Originally Posted by ferrarr View Post
    Did you make the USB for the Apple winOS 10 drivers?

    Check out this Article for more help, https://support.apple.com/en-us/HT204923
    i didnt get that version of bootcamp ( ie,it didnt have those 3 options,and it supposedly downloaded the windows drivers during installation and installed them win windows started..being a new mac user im stumped, but i think i may have to reinstall the widows support drivers, but how? cheers ps, my mac came with el capitan, and i iummediately installed the latest sierra,could that be a problem?

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