BOOTMNGR is compressed

I have a mash-up PC of an HP a1012x (motherboard) and a Compaq SR1090NX (Hard drive) and various other cards and hardware and I am having this same issue. Everything was working well with a fresh install of Windows 7 except that if I had one of my external hard drives plugged into a USB, the computer tried to boot to it so I disabled all external hard drives in order to fix it but I had not re-enabled any of the drives yet including my cd drives as secondary boot options when I started getting the BOOTMNGR is Compressed message. Now when I try to get to the boot menu (ESC for boot menu, F1 for set up or F10 for system recovery) it doesn't catch any keystrokes as if there's no keyboard attached so I'd like to know if there's another way to reset the cd drives as secondary had drives in the bios w/o actually going into the bios to set them so I can even try the above solution to the BOOTMNGR problem.
Laura SheldonAsked:
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_Commented:
First thing I would try is going for a "keyboard error". When you boot, hold down a bunch of random keys (at least 4).

Second thing would be to Clear the CMOS. Either with the jumper/button, or taking out the battery for about 10 minutes.
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Laura SheldonAuthor Commented:
OK, I finally had time to try something which was I took out the battery for a while and on the one hand, it looks like it put the external drives back in the bios, but now I'm getting the error "CDBOOT: Cannot boot from CD - Code: 5" Any thoughts?
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_Commented:
There seems to be several reasons for this.
- bad install disk
- not the correct bios setting for booting usb external dvd drive
- not the correct drivers included on the dvd

Read through these and see if any of them match your situation:

http://social.technet.microsoft.com/Forums/en-US/w7itprohardware/thread/0729c411-84be-45b4-8725-67fe49bac4a3/

http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/8ed87e23-a42c-4acd-be53-312fe9e8c6d8

http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/ed144a05-bcd8-4fcb-8b0e-16351f100251/
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Laura SheldonAuthor Commented:
I'll try these, but a big oroblem is i still can't even get to the bios. Its as if tbe computer doesn't see my keyboard at all duri.g the blue HP boot screen.
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_Commented:
Try tapping the F1 as soon as you hit the Power Button.
Some HPs with a Default BIOS can be a bear to get into.

Does it show anything on the screen during boot?
Is this a PS/2 or USB keyboard?
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nobusCommented:
try resetting the bios - can help

also -  you posted "Everything was working well with a fresh install of Windows 7 except that if I had one of my external hard drives plugged into a USB, the computer tried to boot to it so I disabled all external hard drives "
it looks like your bootsector is on the external drive; if so - it must be connected to boot
or redo the install - without the external connected of course
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Laura SheldonAuthor Commented:
(to nobus) It WAS on the bootsector (the external hard drive) which is why I disabled all external secondary hard drives in the first place. Also, I reset the bios which was what brought them back (and subsequently re-vivied the NTLDR problem that caused me to diable all external hard drives to begin with) and my first thought was (after I got the NTLDR error and realized I was unable to boot from a cd drive) was to copy the contents of the windows disk to the external HD that keeps throwing up the NTLDR error and letting it try to boot from there, but thusfar it hasn't worked - keep getting the error, but I'm in the process of taking everything BUT the windows software off of it in the hope that the NTLDR error disappears and it boots from the Ex HD.

As to the keyboard thing (coral47), I haven't tried the F1 (or anything else) simultaneiously with the power button, but I will. But the screen just shows as normal; Big HP in the middle, "esc" <for boot menu>, F1 <for setup menu>, <F10 <for system restore>. Just won't do anything when I press them. Also, it's a USB keyboard. Should I try a PS2 since there's a port for it?
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nobusCommented:
you can use bootrec.exe to fix the bootsector  http://support.microsoft.com/kb/927392
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Laura SheldonAuthor Commented:
Great! I'll try when I get home! Thanks!
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_Commented:
>> Should I try a PS2 since there's a port for it?

If you have one handy. It might be the easiest way to get into the BIOS Setup.
The USB might need to be set to Legacy for the USB keyboard to work that early in the boot up.
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Laura SheldonAuthor Commented:
OK! I'll try that too! Thanks!
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Laura SheldonAuthor Commented:
Well, I used a PS2 keyboard and can now get to the boot & bios menus and it sees my disk drives and that's fine, but it still won't let me boot to a cd or an external HD. It did (does) see my usb flash drive onto which I put the files from the windows 7 disk, but when it boots to it, it does nothing. Just sits there with a blinking cursor... forever.

So, anyone have any idea where I go from here? Is there something I can download to the flash drive that will get me into this stupid computer?
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_Commented:
Several methods here, but #6 might work for you if you have another W7 system to use:
http://www.bootdisk.com/pendrive.htm.

The higher numbered ones are "newer".
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nobusCommented:
>>  it still won't let me boot to a cd or an external HD.    <<   any errors or messages?  
you verified you can boot from the cd, or disk?

you can reset the bios, - that should get you booting from cd imo
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Laura SheldonAuthor Commented:
OK, I FINALLY got my computer back (and hopefully saying that won't jinx me from keeping it!).

Kind of a roundabout way of getting to it, but here's how it played out:

After trying all of the provided suggestions and experimenting with different things as different situations presented themselves during multiple re-boots, I got to the point where I found I could boot to a usb drive so I found an ISO to USB image burner and proceeded to attempt to replair the current version of windows 7 I had installed. I was able to get to the repair menu and subsequently to the dos prompt and followed the directions for the bootmngr is compressed problem which looked like it was going to work, but for whatever reason it still had issues. It would boot up to just past the Welcome screen with the "Personalization" of the desktop message and then after 5-10 minutes, it would tell that Windows Mail couldn't start (which I didn't even know there was a "Windows Mail") and after I clicked OK, it would just sit there indefinitely. So, ultimately I ended up installing the 64 bit version instead which (so far) has worked beautifully! Most of my external hardware was already connected to the box and when the desktop came up, and aside from the missing lan driver which I got from my laptop and installed to allow it to connect to the network to get any other missing drivers, it located and installed every single device connected without any major issues. The only thing now it that I still have the 32 bit version of windows still showing up at the boot screen (the one where it gives you 30 seconds to choose what you want to boot to with restored versions and backup versions and ghost versions from previous installationa) and the 32 bit is the first choice so if I do a restart I HAVE to stay until it gets to that screen in order to choose the 2nd Windows 7 version to boot to. I did do a disk cleanup after I get things squared away on the new verion which included 19G of the old Windows versions as part of the effort, but that did not remove it from that menu, so does anyone have any idea how I can remove it so I don't have to be present during restarts since Windows tends to restart your PC after many of their critical updates?
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nobusCommented:
>>  The only thing now it that I still have the 32 bit version of windows  <<  run msconfig
see here for how it should look ( you probabaly have to delete a line or 2)
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nobusCommented:
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Laura SheldonAuthor Commented:
Excellent! I'll try it tonight! Thanks!
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_Commented:
And just for future reference, EasyBCD makes messing with the W7 bootloader almost painless (especially adding OSs)

http://www.softpedia.com/get/System/OS-Enhancements/EasyBCD.shtml
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Laura SheldonAuthor Commented:
coral47 & nobus,

It is with humble admiration that I message you both now from my FULLY OPERATIONAL Windows 7 PC. Thanks to you both for all your incredibly helpful advice! I could not have recovered without your assistance! I only wish I could have given each of you another 250 points (at least!)

Sincerely, Laura Sheldon
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_Commented:
Glad to hear you won.   ; )
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nobusCommented:
it was a pleasure to assist
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