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You may receive error message 0x490 when some hardware was faulty, pc freezing, blue screen and so on, this page contains some useful information to repair your windows 7 (or other windows systems) error code 0x490, if you fixed this error from this help article, please email us ( windowsxpregistrycleaner@gmail.com ) give your feedback, and we hope you can share this page to your friends if they need like you, thanks.

 

Failed, error code 0x490

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  • When you install updates on Windows 7 computer, it can't boot and failed to find OS loader, you may get the error below:

    "Failed. Error code = 0x490"
     
  • How to fix?

    To resolve this no boot issue, try following steps:

    To run the Bootrec.exe tool, you must start Windows RE, following steps:

    1. Put the Windows Vista or Windows 7 installation disc in the disc drive, and then start the computer.

    2. Press a key when you are prompted.

    3. Select a language, a time, a currency, a keyboard or an input method, and then click Next.

    4. Click Repair your computer.

    5. Click the operating system that you want to repair, and then click Next.

    6. In the System Recovery Options dialog box, click Command Prompt.

    7. Type Bootrec.exe, and then press ENTER.

    Note To start the computer from the Windows Vista or Windows 7 DVD, the computer must be configured to start from the DVD drive. For more information about how to configure the computer to start from the DVD drive, see the documentation that is included with the computer or contact the computer manufacturer.


    Bootrec.exe options
    The Bootrec.exe tool supports the following options. Use the option that is appropriate for your situation.

    Note If rebuilding the BCD does not resolve the startup issue, you can export and delete the BCD, and then run this option again. By doing this, you make sure that the BCD is completely rebuilt. To do this, type the following commands at the Windows RE command prompt:

       > bcdedit /export C:\BCD_Backup
       > c:
       > cd boot
       > attrib bcd -s -h -r
       > ren c:\boot\bcd bcd.old
       > bootrec /RebuildBcd


    /FixMbr

    The /FixMbr option writes a Windows 7 or Windows Vista-compatible MBR to the system partition. This option does not overwrite the existing partition table. Use this option when you must resolve MBR corruption issues, or when you have to remove non-standard code from the MBR.


    /FixBoot

    The /FixBoot option writes a new boot sector to the system partition by using a boot sector that is compatible with Windows Vista or Windows 7. Use this option if one of the following conditions is true:

       > The boot sector has been replaced with a non-standard Windows Vista or Windows 7 boot sector.

       > The boot sector is damaged.

       > An earlier Windows operating system has been installed after Windows Vista or Windows 7 was installed. In this scenario, the computer starts by using Windows NT Loader (NTLDR) instead of Windows Boot Manager (Bootmgr.exe).


    /ScanOs

    The /ScanOs option scans all disks for installations that are compatible with Windows Vista or Windows 7. Additionally, this option displays the entries that are currently not in the BCD store. Use this option when there are Windows Vista or Windows 7 installations that the Boot Manager menu does not list.


    /RebuildBcd

    The /RebuildBcd option scans all disks for installations that are compatible with Windows Vista or Windows 7. Additionally, this option lets you select the installations that you want to add to the BCD store. Use this option when you must completely rebuild the BCD.

    After following the above i then ran the following from command prompt:

    > bootrec /fixmbr

    then

    > bootrec /fixboot

    This resolved the issue for me and allowed me to log on to the PC in its previous working state.

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Microsoft help links for error 0x490

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PC repair tool to fix this error

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  • If you still haven't fixed the windows 0x490 error code:

    1. Please try the tool windows registry optimizer, it safely cleans PC errors & invalid entries cause slow speed, blue screen, deadlock errors and crashing, and repair registry problems to speedup your computer performances. It is easy to use and supports 25 languages. And you can read our review about this software first.

    2. Some pc error is related to driver problems, driver update software is designed to quickly locate the most current drivers specific to your computer system, you can run a free scan for your pc driver update first.
Read our site other related articles...

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That is we find the informations to fix error code 0x490 in windows 7, hope our page is helpful to you, if you still need more guide detail, please contact the microsoft support for further help.


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Error 0x490


Home > Categories > Windows 7 Error - Update: March 2, 2010
>>> Fix Windows 7 Error Code 0x490

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