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43903
July 5th, 2011 18:00
Windows 7 64-bit Bootmgr missing no suggestions have worked
I have a Dell N7070 laptop and I've been looking for the answer to this problem for a long time to no avail. Here is what most suggest:
- Insert your Windows 7 DVD into your optical drive(DVD drive) and restart the system.
- Boot using this DVD by pressing any key when windows asks "Press any key to continue..".
- Select your language in the first screen and click "Next".
- In this Window, select the option named "Repair your computer".
- This tool will search for the installation directory for a minute.Once it finished, click "Next" once again.
- Under Recovery Tool, choose the option named "Startup repair". Now,Windows will try to repair your startup problem and gives a message to restart your system.
- Restart your system to finish the process."
When booting up to the hard drive system recovery automatically starts up but it doesn't detect an operating system, but when I click load drivers all three partitions are there and the data still exists. When I try to run startup repair it is unable to repair the computer error. The error details are:
Problem Event Name: StartupRepairOffline
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: -1
Problem Signature 05: SystemDisk
Problem Signature 06: 1
Problem Signature 07: MissingBootManager
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
When I boot to the Windows 7 disc and select a language then click next followed by clicking repair your computer it doesn't find an operating system either, and the results are the same.
I've ran chkdsk /f and chkdsk /r from command prompt, and from a live cd. No improvement. I don't want to attempt fixmbr, or bootfix (whatever it is called) because I'm not ready to lose the recovery partition access if it is unnecessary.
Any help would be greatly appreciated.
Dustin
P.S. I am working on this for a friend, and he mentioned a virus before this happened. I'm not sure if this was caused by a rootkit virus, or his attempt to make repairs.
DustinTM
4 Posts
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July 5th, 2011 18:00
Another thing. I tried using Hirem's boot CD Windows 7 boot loader, and PLoP Boot Manager. When I used the PLoP Boot Manager it said Bootmgr missing. Thanks.
DELL-Jesse L
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July 6th, 2011 07:00
DustinTM,
You are going to have to boot to the windows disk and choose the Repair your computer option. You will then need to choose the command prompt and use the bootrec /fixboot command. This should resolve the problem.
DustinTM
4 Posts
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July 6th, 2011 14:00
When I did that it now says BootMgr is missing when booting. System Repair still doesn't find an operating system. I'm just going to reinstall, though I wish I didn't have to.
speedstep
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47K Posts
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July 6th, 2011 14:00
The boot config is missing messed up. You have severe corruption.
Boot into the Recovery disk (or recovery partition), and Repair. Select repair startup (may have to do this twice).
or try bootrec.exe Tool
Perform the following methods to resolve the issue:
Method 1: Startup Repair from the Windows Recovery Environment (WinRE)
============================================
1. Insert the Windows 7 installation disc into the disc drive, and then start the computer.
2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.
3. Select a language, a time and currency, and a keyboard or input method, and then click Next.
4. Click Repair your computer.
5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next.
6. At the System Recovery Options Dialog Box, click on Repair your computer.
7. Click the operating system that you want to repair, and then click Next.
8. In the System Recovery Options dialog box, click Startup Repair.
Refer the following link for more information:
http://windows.microsoft.com/en-US/windows7/What-are-the-system-recovery-options-in-Windows-7
To know more about “Startup Repair” visit the following link:
http://windows.microsoft.com/en-us/windows7/Startup-Repair-frequently-asked-questions
Method 2: Rebuild BCD using the Bootrec.exe tool
============================================
To run the Bootrec.exe tool, you must start Windows RE. To do this, follow these 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. Select a language, a time, a currency, a keyboard or an input method, and then click Next.
3. Click Repair your computer.
4. Click the operating system that you want to repair, and then click Next.
5. In the System Recovery Options dialog box, click Command Prompt.
6. Type Bootrec.exe, and then press ENTER.
Refer the following link for more information:
How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair startup issues in Windows
http://support.microsoft.com/kb/927392
Method 3: Use the Windows Recovery Environment (WinRE) to run System Restore
============================================
1. Insert the Windows 7 installation disc into the disc drive, and then start the computer.
2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.
3. Select a language, a time and currency, and a keyboard or input method, and then click Next.
4. Click Repair your computer.
5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next
6. At the System Recovery Options Dialog Box, click on System Restore.
7. Follow the System Restore Wizard instruction as usual and choose the appropriate restore point.
8. Click Finish to restore the system.
To know more about “System Restore” visit the following link:
http://windows.microsoft.com/en-us/windows7/System-Restore-frequently-asked-questions
If the above methods do not help, you may try to follow the methods mentioned in this article:
Error message when you start Windows Vista: "The Windows Boot Configuration Data file is missing required information"
http://support.microsoft.com/kb/927391
Note: This article also applies to Windows 7 Operating system as well.
speedstep
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47K Posts
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July 6th, 2011 14:00
To run the Bootrec.exe tool, you must start Windows RE. To do this, follow these 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.
Back to the top
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.