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  1. #1


    Member Since
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    problem installing windows 7 on iMac 27''
    Hello

    I bought the new iMac 27'', 3.1 GHz, 8 G RAM.

    also bought online, both windows 7 home edition, and Parallels Desktop 6, now I downloaded ISO files from the link sent to my email. when I run Parallels, and locate the ISO files, I stop at the black screen and the message appears "BOOTMGR is missing, press ALT+CTRL+DELETE to restart". I looked everywhere for clear steps to install windows 7 with OUT CD/DVD, but I hope you guys help me with it. sorry for my bad grammar and all that. thanks in advance!

    P.S all my softwares are official

    27'med

  2. #2

    chscag's Avatar
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    Jan 23, 2008
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    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Did you burn the downloaded ISO files to disk?

  3. #3


    Member Since
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    iMac, i5, 3.1 GHZ, 1 T, 8g RAM :)
    No, but I can choose "image file/ISO file" instead of CD/DVD. I want to try to burn it, but how? on my iMac? thanks for your reply.

  4. #4

    chscag's Avatar
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    Yes, on your Mac. Use Disk Utility to burn the ISO images to DVD.

    Applications -> Utilities -> Disk Utility

  5. #5

    mrplow's Avatar
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    Parallels is more than capable of installing from an ISO as well as a disc.

    If you double click on the ISO does it mount in Finder so you can browse the files etc?
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  6. #6


    Member Since
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    Macbook pro retina 13" 8gb, 120ssd, i5 cpu, imac 8gb, 2.7ghz i5,1tb, iphone 5s 16gb. ipad 2 32gb
    surly it would make more sense to use the disc would be more relyible, plus you cant get a iso file to boot up on boot up

  7. #7

    mrplow's Avatar
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    We're talking about an install in parallels, a virtual machine. Not booting the 'real' iMac.

    If Parallels can't read the ISO I'd suggest the file is corrupt. So burning it to disc won't solve that. That's why I suggested mounting the disc to see if the files can be read etc.
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  8. #8


    Member Since
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    Macbook pro retina 13" 8gb, 120ssd, i5 cpu, imac 8gb, 2.7ghz i5,1tb, iphone 5s 16gb. ipad 2 32gb
    ah ok i got the rong end of the stick my bad , have you tried extracting the iso then creating it as an iso again sometimes that would work. if not try using a program called power iso that makes a virtual cd drive in mac so you can mount iso files

  9. #9

    mrplow's Avatar
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    Don't mean to keep doing this... Apologies....

    OSX can natively mount ISOs no extra software required
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  10. #10


    Member Since
    May 09, 2011
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    Macbook pro retina 13" 8gb, 120ssd, i5 cpu, imac 8gb, 2.7ghz i5,1tb, iphone 5s 16gb. ipad 2 32gb
    i tried using an iso and your right mnac dose support iso, the iso file must be corrupt, it might be worth trying to burn in to disc, but then if its genuine iso from microsoft it should work

  11. #11


    Member Since
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    Downloading .ISO files is a chancy business - when I've done it with Linux, for example, about half the time the .ISO gets corrupted and I have to re-download it. Doesn't take much of a glitch to render it uninstallable - much lower threshold than images or audio or gaming - every little bit needs to be there exactly right. You can run a checksum to be certain. But the simplest thing is probably to download it once more and try the install again.

  12. #12


    Member Since
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    Quote Originally Posted by mrplow View Post
    We're talking about an install in parallels, a virtual machine. Not booting the 'real' iMac.

    If Parallels can't read the ISO I'd suggest the file is corrupt. So burning it to disc won't solve that. That's why I suggested mounting the disc to see if the files can be read etc.
    Thanks for replying,

    I did burn ISO file on DVD, it won't work, I do not know what do you mean by mounting the disc, I received links from Microsoft with product key, the link gave me options ( 32'' bit, 64 bit, 32 bit ISO, 64 bit ISO) .

    Any Idea?

  13. #13

    mrplow's Avatar
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    If you double-click the ISO it will (if it's a full and un corrupt ISO) mount in finder. I.E. You see the disc in the lift pane of Finder in the same way/place you'd see a CD or DVD appear.

    Either way I suspect the ISO image is corrupt and I'd suggest downloading it again.
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  14. #14


    Member Since
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    iMac, i5, 3.1 GHZ, 1 T, 8g RAM :)
    Quote Originally Posted by mrplow View Post
    If you double-click the ISO it will (if it's a full and un corrupt ISO) mount in finder. I.E. You see the disc in the lift pane of Finder in the same way/place you'd see a CD or DVD appear.

    Either way I suspect the ISO image is corrupt and I'd suggest downloading it again.
    I will try. thanks

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