eroz

Hi all, I originally had Vista home premium 32-bit and did a clean install to Win 7 home premium 64-bit. It installed with no problem, but when I reboot I get the error that the bootmgr is missing. I put the win 7 disc back in and do a system repair but it finds no problem and when it reboots with the win 7 disc it starts up with no problem. Without the win7 disc and I get the bootmgr missing error.

I also tried doing the command prompt and typing bootrec /fix boot and bootrec /fixmbr. That did not work as well, it justs says that everything is fine.

I do have 2 hard drives installed. 1st hard drive has 3 partitions with 1 of the partitions being where I had vista installed and did a clean install of win 7 on it. The other 2 partitions are just data. The 2nd hard drive has no partition and only contains data; however, in disk management it is listed as system.

Any ideas on how to fix the BootMGR missing error? Any other info needed that I have not listed? Thanks.

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orbiter

Check that your system is booting from the correct drive in BIOS?

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JDMfanatic

^^ that
I had this problem before because I was trying to boot from a blank drive

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eroz

Thanks guys! I went into BIOS and changed the boot priority on the hard drives and it worked.

Any idea why Win 7 put the bootmgr on the 2nd harddrive which does not have win7, just data on it?

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orbiter

EDIT - It won't be reading the other hard drive. I'ts possible that it's reading data related to the previous operating system if you only did a quick format on drive C: Unless of course there was an operating system on the other drive at one time or another.

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CravinR1

I'm getting the same error

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Radeon915

It depends on which harddrive you have set as primary, it automatically puts all bootloader stuff on there. There should be an option to change it in BIOS.

If you set it to a different drive when you have a working OS installed, you'll see you can't boot anymore untill you change it back. It's especially annoying if you format the drive thinking nothing of importance is left on it..

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fonzye

maybe you need to reinstall windows i had that problem sometime ago

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CravinR1

I had to install a shell of vista (no key) then do the custom install to get win7 to work

I was upgrading from a usb stick and had to make the usb drive primary though

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svtfmook

unplug the drive that does not have 7 on it. put the 7 disc in, boot to the 7 dvd, got to repair and repair start up. this should reinstall bootmgr and bcd to the same drive that 7 is on.

the reason it's on the drive that vista was on is because the vista bootmgr was pulling the bootmgr duty for both OS's

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