Trying to reinstall Windows 7 via usb, get bootmgr missing message

Discussion in 'Windows 7' started by supercrazy, Oct 16, 2014.

  1. supercrazy

    supercrazy MDL Novice

    Oct 16, 2014
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    Hey guys,

    So I'm trying to re-install windows on my laptop via usb (it has no cd drive) and when I try to boot the usb from the bios, I get a "boot mgr missing press ctrl, atl, del" message. When I only had my original hdd installed, i could access it fine, but later on I had someone install an ssd for me so the os is on the ssd now. From what I read, is it true that the installed ssd is preventing me from booting up the usb? Any ideas on what I can do?
     
  2. coleoptere2007

    coleoptere2007 MDL Guru

    Apr 8, 2008
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  3. Mutagen

    Mutagen MDL Addicted

    Feb 18, 2013
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    Perhaps I misunderstand the OP, but no ssd/hdd will prevent you booting from usb. Have you booted from the same usb previously? Check the bios settings and do you know for certain the usb is bootable? Make and model of the laptop?
     
  4. zahnoo

    zahnoo MDL Senior Member

    Feb 2, 2011
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    This^^^ The USB drive has to be bootable, in the boot order sequence and in this case I'd make it dead first.
     
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  5. Siliwangi

    Siliwangi MDL Member

    Aug 11, 2009
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    try to rename bootmgr to ntldr in your USB installer media.
     
  6. nencywillims

    nencywillims MDL Novice

    Nov 14, 2014
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    Check your optical drives, USB ports, and floppy drives for media. Often times, the BOOTMGR is Missing error will appear if your PC is trying to boot to a non-bootable disc, external drive, or floppy disk.
     
  7. tnx

    tnx MDL Expert

    Sep 2, 2008
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    I would re-format the USB drive via command promt and load a new set of files onto it.

    Run Command Prompt as admin

    Load your OS files

    Boot into the BIOS and make sure you boot from the USB and install your OS.