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BOOTMGR is compressed

Discussion in 'Windows 7' started by sam222999, Dec 25, 2012.

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  1. sam222999

    sam222999 Thread Starter

    Joined:
    Dec 25, 2012
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    Folks,
    Been through several threads for resolution of 'BOOTMGR is compressed' error.

    I understand the solution (one of them) is to use a USB drive to boot.
    The problem is to find the correct BIOS.

    The link
    http://facepunch.com/showthread.php?t=1170826
    provides various files available for download.

    Question:- How do I identify which suits for me? ; Now that I cannot even see the system conifg?
    The files are huge and I tried with couple of them.

    Just see a prompt to the top left (Instead of any message).

    Kindly let me know on next steps to proceed.

    Regards,
    Sam
     
  2. TerryNet

    TerryNet Moderator

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    Terry
    I don't think this has anything to do with the BIOS. You may be able to fix this by booting to your System Repair Disk (assuming you made one) or your Installation or Recovery DVD or USB flash drive.

    You pick the one that most closely matches your installed operating system. If you tell us what OS you have installed somebody can help with the identification.
     
  3. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

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    I agree with my colleague TerryNet, as indeed is usually the case.
    I think the first question is WHY - by that I mean why is the boot manager compressed
    The usual cause is

    BOOTMGR refers to the Boot Manager – an important Windows system file. If it is compressed, it can’t be used. The file must therefore be uncompressed for Windows to be able to boot up.
    Note: file compression used to be a good way to save hard drive space – back in the days when hard drives were only 1 or 2 GBs in size… However, modern drives offer hundreds or thousands of GBs storage so there should be no need to compress files.

    There are two likely reasons that it got compressed:

    1. The user installed a ‘Speed Booster’ or ‘System Optimizer’ type of program – perhaps one with grand claims of boosting performance and with a super duper registry cleaner thrown in… See ‘do I need a registry cleaner’ – the short answer is No.
    Such a program may have caused the problem by compressing the whole of the system partition (usually the C: drive) to save space – including the crucial BOOTMGR file. This is what happened in my customer’s case.
    Note: file compression (even when done properly) slows down system performance anyway so it is a lousy thing for a ‘speed booster’ utility to do…

    2. The user manually compressed the whole of the system partition (via the drive’s Properties window).

    So in summary I see the first approach as trying to ascertain why
     
  4. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

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    sam222999

    It is some three days now since you asked for help and advice
    Would you kindly reply when you get chance.
     
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