bootmgr is corrupt in acer aspire one with no cd drive

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lennypalacio

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Apr 28, 2014
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I have an acer aspire one with no cd drive and windows 7 starter. Recently I suffer error messages like that: "bootmgr is corrupt. The system cannot boot."
Taking the hdd and putting in a desk computer with usb/sata adapter and running hirens boot 10 and using easeus partition master, I'll discover the hard disk has 3 partitions
* (no letter assigned) - PQSERVICE - NTFS - 12GB - used 7.82GB - status none - primary
G: - SYSTEM RESERVED - NTFS - 101.98MB - used 24.12MB - active - primary
H: - Acer - NTFS - 220.78 GB - used 22.46GB - none - primary
(note: there are no physical errors)
Since the error is talking about bootmgr, I look into the G: partition (the first one just contains the image of the op. system in case you want to recover it, if you can load windows, not this case).
Content of G:
Boot folder (many locale folders, like en-US or es-ES, and files BCD, some .log, BOOTSTAT.DAT and memtest.exe)
System volume information folder (cannot go inside)
file bootmgr.
All the bootable pendrives I prepared are useless, with yumi, with the windows 7 method (you know, diskpart, select disk, etc and finally copying a windows 7 distro (in my case, EEE7). In the right moment I plug the pendrive (the bios has the right order of boot) and it reads it, the error message appears.
Please help me.
Thank you very much.
 
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M

mbarnes86

Splendid
Sep 16, 2010
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Hi

Since you have had problems with bootable USB memory stick try a external USB DVD drive

Do you have access to a USB DVD drive?
Borrow one if necessary

If you can borrow a windows 7 (32bit x86). DVD
Or find a PC with a windows 7 (32bit x86)

Preferably windows
7 with service pack 1


I am assuming all starter versions of windows 7 are 32 bit not 64 bit


Make a system recovery cd

Boot your PC off either windows 7 DVD or a emergency recovery cd
It should find the existing windows c: and partition with boot files

And usually it will fix the problems provided there is no physical damage to the hard disk

Western digital datalife guard software can test your hard disk in a USB tray
(Even if not WD brand)

Regards
Mike Barnes
 
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L

lennypalacio

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Apr 28, 2014
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Thanks for the answer, Mike. I took a DVD drive with the ide/sata - usb adapter, pluging it in the acer notebook. I started testing a windows 7 ulimate 64 DVD, but it seems all attempts of boot are wrong, the system recognizes the DVD, it shows the typical message of "press any key to boot from cd or ... ", I press a key but the message of "bootmgr is corrupt. The system cannot boot" appears. Inside BIOS I changed the mode of HDD to IDE (more compatible with tools focused to windows xp, like hirens boot, etc) (but it is useless). I changed the windows 7 dvd with a hirens boot 10 disc, and nothing, the grub inside shows the menu with 3 lines, but it fails booting. With a linux disc (one of the latest ubuntu) the error appears again.
It is not a problem of hard disk, nor usb ports or usb devices (the pendrives and the last dvd drive work well, they are powered and the dvd spins), bios boot sequence, etc. There is something in the hardware that is wrong, preventing the notebook from booting correctly (I can't run a memtest because hirens boot cd fails, as I said before).
I'm afraid I give up. If memory, motherboard or battery fails, it is beyond my capabilities. I only can focused in software problems.
Thank you very much.
 
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L

lennypalacio

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Apr 28, 2014
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Hi imiksimi, the keyboard is untouched and it works well in Bios, with it I changed the boot sequence and the hdd mode.
The specific model is Acer aspire one, model NAV50,
cpu intel atom processor N450, 1.66ghz, 512kb cache.
Thanks for your interest
 
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imiksimi

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Apr 29, 2014
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put the hdd back into your desktop , right click on computer icon select manage - then storage - then disk management - find the 12 gb partition . right click , then mark partition as active , wait 3 -4 min safely remove , put back in acer and see if it boots

if that doesn't work try setting the 220 gb partition to active
 
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lennypalacio

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Apr 28, 2014
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I am afraid that it is too late, the owner of the notebook took it yesterday. The point is not the hdd, is the boot functionality of the notebook, because if you plug a usb bootable pendrive or usb dvd drive with bootable dvds (ubuntu, hirens, or other live cd), which only use memory to load the files, it should load, although the hdd was removed.
Thank you very much
 
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