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Bootmgnr missing. will not boot - ASUS Motherboard P5n-mx

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You have to reinstall the Operating System wether it is Vista or Windows 7 from the Operating System reinstallation DVD that you got with your computer, or if you have purchased the disc yourself seperately.

Posted on May 04, 2010

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Boot problems and their possible causes & resolutions


Symptoms:
Black screen
"Invalid Partition Table"
"Error loading operating system"
"Missing operating system"


Cause:
Corrupt Master Boot Record (MBR)

Resolution:
Boot into Recovery Console and run "fixmbr" to repair the MBR

--

Symptoms:
"A disk read error occurred"
"NTLDR is missing"
"NTLDR is compressed"


Cause:
Corrupt boot sector

Resolution:
Boot into Recovery Console and run "fixboot" to repair the boot sector

--

Symptoms:
"BOOT.INI is missing or corrupt"
"Boot device inaccessible"
"Windows could not start because the following file is missing or corrupt:
<Windows root>\system32\hal.dll"


Cause:
BOOT.INI missing, corrupt or out of date as a partition has been inserted

Resolution:
Boot into Recovery Console and run "bootcfg /rebuild" to repair the BOOT.INI

--

Symptoms:
"Windows could not start not start because the following file is missing or corrupt:
\WINDOWS\SYSTEM32\CONFIG\SYSTEM"


Cause:
Corrupt/missing system hive

Resolution:
1. Boot into Recovery Console and run "chkdsk C: /f" to check the system disk for errors and fix them, then reboot.
2. If the error continues and System Restore is enabled, copy the system hive from the last restore point into \WINDOWS\SYSTEM32\CONFIG
3. If the error continues, copy the system hive from \WINDOWS\REPAIR into \WINDOWS\SYSTEM32\CONFIG
4. If the error continues, perform a repair installation by booting from the Windows installation media


--

Symptoms:
"Windows could not start because of a computer disk hardware configuration problem.
Could not read from the selected boot disk, Check boot path and disk hardware."


Cause:
Boot volume (with Windows folder) is not accessible as defined in BOOT.INI

Resolution:
Check the boot volume is accessible

--

Symptoms:
Dual-boot 32-bit Windows and 64-bit Windows system reports "NTOSKRNL.EXE is corrupt" trying to boot into 64-bit Windows

Cause:
System volume contains an older boot loader than the boot volume requires - e.g. XP SP2 installed after XP x64

Resolution:
Copy NTDETECT.COM and NTLDR from XP x64 installation media to the root of the system volume

on May 03, 2010 | Computers & Internet

1 Answer

Why my computer was unable to start


Hi
Does your pc have power or do you mean it has power but it wont boot up, this is a common problem and the cause is the boot up files have gone missing.

If you have the windows disk you can use the repair option to replace the missing boot up files by selecting the boot exe option.


This will replace the missing files so your hard drive can read them and (post) power on self test and boot up.


Cheers

Nov 22, 2012 | Computers & Internet

1 Answer

PC will not boot, BOOTMGR is missing. What do I need to do?


I assume it's Windows 7.
Check that the BIOS is set to boot from CD/DVD as the first boot device and then put the Windows installation disk into the drive. If done correctly then the PC should boot from the CD/DVD and then just follow the on screen instructions (follow the instructions and select the repair option).

Jun 08, 2012 | Computers & Internet

1 Answer

Haveing problems with hp notebook 1100 boot mgr missing error while initializing NIC


Hi There,
I'm having trouble understanding what you mean by this - are you attempting to boot from LAN? Are you able to boot into windows at all?
What it sounds like is that your computer is either missing a boot manager, or you've assigned (in the bios) LAN boot as the priority boot device.
If that's the case, you can change the boot device priority back to internal hard disk in your BIOS (pressing F2 or F10 at startup splash screen)
If you're missing a boot manager for a windows installation, you can insert your windows installation disk and select "repair an existing installation" to repair your boot manager

Jun 06, 2012 | HP Computers & Internet

1 Answer

Boot mgr is missing


Boot Manager is missing If the boot partition no longer can be found, then Vista will display the following error: BOOTMGR is missing. Press Ctrl+Alt+Del to restart
The Windows Boot Configuration Data file is missing required information
More Info MS KB 919529 More Info MS KB 927391 Check points for fixing missing boot-manager: Check that your boot device is configured properly Boot into Windows Recovery Environment (WinRE) and perform a "Startup Repair". Boot Manager is compressed If by accident having compressed the entire boot partition, then Vista will display the following error: BOOTMGR is compressed. Press Ctrl+Alt+Del to restart OR maybe try this first. Check points for fixing compressed boot-manager: Boot into Windows Recovery Environment (WinRE) and perform a "Startup Repair". If the above doesn't solve the problem then boot into WinRE again, but when selecting the Vista-installation, then press "Load Drivers" (Instead of "Next") and use the mini Windows Explorer to right-click the boot-drive and deselect "Compress this Drive" and choose Apply to sub-folders and files. If that also fails then boot into WinRE again, and go to the "Command Prompt" and execute these commands: compact /U C:\bootmgr compact /U C:\ntldr If you for some strange reason have lost your Vista DVD, then you can also use a Windows 2000 / XP install CD and enter the recovery console instead and execute the following commands: attrib -c c:\bootmgr attrib -c c:\ntldr


Try start up in Safe Mode press F8. Choose Safe Mode, when at the choice window, to select either Safe Mode Desktop, OR System Restore, chooses system restore and choose a time before you had the "Problem" and follow instructions. This should get you back.

Feb 21, 2010 | Acer Aspire 8920-6048 Notebook

2 Answers

Boot manager is missing how to solve


If the boot partition no longer can be found, then Vista will display the following error: BOOTMGR is missing. Press Ctrl+Alt+Del to restart

The Windows Boot Configuration Data file is missing required information

More Info MS KB 919529
More Info MS KB 927391

Check points for fixing missing boot-manager:

Jun 10, 2009 | HP Pavilion dv9000z Notebook

3 Answers

Boot Manager is missing


you can often fix it right back up using the original Vista installation disk. Which comes with a pretty extensive System Recovery Tool that's got lots of options. Set your computer to boot from DVD (using the Boot setting in the BIOS), insert the disc and restart. Vista will prompt you for language and keyboard layout options, then ask if you want to reinstall Vista or repair your installation. You want Repair. From there Vista's System Recovery Tool will take over. this is the only way to get back from the dreaded boot manager missing error.

Jun 10, 2008 | Computers & Internet

1 Answer

Winxp cannot boot - missing files message


probably corrupted operating system files. i'd suggest doing a fresh reinstall of windows xp. if the problem continues then get a new hard drive.

Dec 27, 2007 | Computers & Internet

1 Answer

Missing or corrupt \system32\hal.dll


You didn't need to replace the hard drive if there is a missing NTLDR file, it just means that the boot sector is missing or corrupt. You can fix it by putting in your WinXP CD, and choosing REPAIR.(This is known as the Recovery Console and it's in DOS just to warn you...) Then you can type the following at the dos prompt: fixmbr - Fixes corrupt master boot record fixboot - Fixes corrupt boot sector bootcfg /rebuild - Fixes corrupt or missing boot.ini

Mar 28, 2007 | Western Digital Scorpio WD800UE 80 GB Hard...

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