installing off USB, bootmgr missing?


  1. skyedemon
    Posts : 8
    windows 7
       New #1

    installing off USB, bootmgr missing?


    Hi, I am trying to install windows 7 off of my usb harddrive and I get a "bootmgr is missing, press ctrl+alt+del to restart", it works on any other computer but the one I am trying with... I have tried formatting and running bootsect.exe again to no avail
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  3. gregrocker
    Posts : 50,642
       New #2

    The method which always works for me is to install UltraISO trial version, on File Tab Open ISO, on Bootable tab Write Disk Image, Format, Write.

    Boot under USB or HD's using one-time BIOS Boot Menu key.
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  4. theog
    Posts : 11,408
    ME/XP/Vista/Win7
       New #3

    Do you have your BIOS set to USB boot?
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  6. Bill2
    Posts : 5,056
    Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
       New #4

    How did you prepare the drive? This method works for me:

    USB hard drive a bootable Windows 7 install disk

    Also, make sure you use a pristine win7 dvd to prepare the usb drive, not a lited or modded version.
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