BOOTMGR is missing error message w/ no OS

December 1, 2010 at 08:46:33
Specs: none
I have built a computer (my 4th, I think) and tried to install the OS. I first put in Windows Server 2003
and received this message- "BOOTMGR is missing". I then tried to install XP Pro and Vista and I received the same message.

I switched out the optical drive and tried them all again and still received the same message. Note that I am trying to install the OS- there has not been one installed previously on the machine.

Any ideas?


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December 1, 2010 at 08:52:40
What is the source of the OS files you are using? Original CDs or something else?

Did you wipe the hard drive prior to the installation attempts? Using custom at the beginning will allow you to do that.

Are you installing to a SATA hard drive?

Is the hard drive properly identified by the BIOS during the POST screens?

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December 1, 2010 at 09:01:10
3 of the 4 CD's are original installation CD's. One was a bootable copy.

The HD is new. It is a SATA HD that is recognized in BIOS. The optical drive is also recognized.

I never get to the point where I have an option to choose a Custom installation. I never get out of BIOS.

The error message follows the "HardWare Monitor..." and "Verifying DMI Pool Data.......Update Success".

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December 1, 2010 at 09:42:40
Have you set the CD as the first boot device in the BIOS. The system still appears to be trying to boot from the hard disk.

The only boot manager that has any relevance at this stage is the one on the CD.


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Related Solutions

December 1, 2010 at 10:16:55
As StuartS has stated, you need to set the BIOS to boot to CD before hard drive. If the disk in the CD drive is not bootable you will get the same results, which it to bypass the CD. That is why I asked the source.

I could not find that model motherboard on the Biostar site. I am guessing the board was made for an OEM vendor like Gateway, etc. I believe the board is based on the nforce 2 chipset series. As such, you will not have any settings to run the SATA hard drive in an IDE compatibility mode. If you have a floppy drive installed you can supply the SATA drivers that way or you will need to slipstream them for at least WinXP and possibly Server 2003. I think there are issues with Vista on boards using the nforce 2 chip sets and you may not get Vista to work at all.

Honestly, the simple solution at this point is to use and IDE/ATA boot hard drive.

What is the history of the motherboard. BTW, I am assuming the number in your header is the motherboard in use?

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December 1, 2010 at 10:51:15
XP won't recognize your SATA HDD without the drivers or unless the IDE mode has been changed as mentioned above. I've never worked with Server 2003 but it should auto-detect the SATA drive. If it installs the same way as XP, you need to "press any key..." when prompted. If a key isn't pressed within the alloted time, the system will bypass the CD drive & move on to the HDD. Make sure you have the boot order correct - the CD drive must be listed before the HDD.

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December 1, 2010 at 11:01:46
As we speak, Setup is loading the files for Server 2003. I hyad checked the boot sequence in BIOS several times, but had not set it up correctly. It is installing now after going back in to BIOS one more time and setting the boot sequence. Thanks for all of your help.

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December 1, 2010 at 11:15:41
No problem, thanks for getting back to us.

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