BootMGR is missing

August 8, 2010 at 07:17:39
Specs: Windows 7 Ultimate
I have a custom built computer that was working fine since i got it (about a month ago). I have 11 external hard drives and 4 internal hard drives. The computer would reboot just fine countless times. I moved the computer and all the hard drives to another room, started it up and it was still working fine and then in middle of watching a movie file, it froze up and wouldn't do anything. I had to shut off the computer using the switch on the back. Ever since then, it won't start. I pulled the main C drive out and plugged it into another computer and it was fine except some files were moved. I moved the files (from the WINDOWS directory) back where they should be, plugged it back into the old computer, unhooked the other 3 internal hard drives and it booted up just fine. I restarted the computer to try to get all the hard drives working and it only gets so far and says "Bootmgr is missing". Any help is appreciated...

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#1
August 8, 2010 at 07:47:25
"I have 11 external hard drives and 4 internal hard drives."

How many of those drives are bootable (have an OS on them)?


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#2
August 8, 2010 at 14:44:18
1 - C Drive only

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#3
August 8, 2010 at 15:09:10
So what is happening with your computer then? Do may not even have a boot manager with only one OS.

Do you have a full version Windows 7 DVD?

Are all your drive being properly identified by model and full drive size in the POST screens at start up?


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Related Solutions

#4
August 8, 2010 at 16:39:12
"Do may not even have a boot manager with only one OS." - not sure what this means?

But, my computer starts up as long as the other 3 internal hard drives aren't plugged in. Only the C drive can be plugged in, along with the other 11 external hard drives. But, even with this setup, it starts up and if I try to play a movie in Windows Media Center from one oft he drives, it freezes up WMC and then the screen just goes black, nothing on it except for the mouse pointer, which I can move around. CTRL+ALT+DLT does nothing. This is the same setup I had in a different room and didn't have any issues with it until I moved it. It also takes about 15 minutes for the computer to recognize all of the external drives after it boots up. It will recognize a couple and then the other slowly trickle in to My Computer while they are all automatically in DEVICES.


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#5
August 8, 2010 at 18:20:00
Did you have an OS on one of the other drives that have to be connected?

Did you reconnect all drives exactly like you had them before?

It sounds like you disturbed something when you moved the computer. Could be overheating.

Boot into the BIOS screens and check the system and CPU temps.

You didn't answer if you have a full version of Windows 7.


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#6
August 9, 2010 at 03:08:21
nope, no other OS's. All drives were reconnected as they were and, yes, full version of Windows 7 Ultimate.

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#7
August 9, 2010 at 04:27:01
Tap F8 as soon as you start your computer. You should get an option to repair. Follow the prompts.

Improper removal of external drives may cause problems with booting. Always use the safely remove icon.

I am curious, what are the type/s of external drives that make up your 11 list. That is a lot of external drives.


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#8
August 9, 2010 at 04:38:16
I tried the repair option with the install disc but it says it can't be repaired. I have 11 WD and Seagate externals attached via USB. Has never been a problem before. The computer has 12 USB connections and 32GB RAM.

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#9
August 9, 2010 at 05:15:56
What were the exact messages you saw when attempting to repair?

The hard drive you are using for Windows 7 may have a problem of some sort.

As per #3 above "Are all your drive being properly identified by model and full drive size in the POST screens at start up"?


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