Dual Boot Windows 7 and Ubuntu 10.04, when i choose windows in the grub menu all i get is a black screen

Hello,

Hardware : Acer Aspire Timeline X 3820TG

OS : Windows 7, Ubuntu 10.04

Problem: Three days ago when i was booting ubuntu i got a disk error message during a routine check from windows 7 ntfs partition (it is auto mounting in linux). i ignored it, because i was in a hurry. After i got some problems un ubuntu. When i restarted my pc i cannot reach to ubuntu anymore but i was able to boot windows 7, no problem with that. Then i repaired my ubuntu by unmounting windows partition from /etc/fstab and checking linux file system with "fsck" from a live usb. This time it was windows 7 which i could not able to boot. Now, when i try to check windows ntfs partititon from ubuntu with "ntfsfix" i get a "Mounting volume... Segmentation fault" and when i try to mount this volume i get "Error mounting: mount exited with exit code 2: ". I googled this and understood that i have to run a "chkdsk" from windows itself, it is the healtiest solution but my problem i cannot reach even to login screen, just a black screen, it is like the pc stops working. There is a recovery partition on the pc but it lets me to format the partition C (this is not the case because i only have C where all my stuff are stored, the reason is i don't use windows unless i need it) or format all windows system (which i don't prefer at this point.).

If you need any more information i can write. I'm a stuck and yes i googled it already.

Thanks in advance.

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Try doing a repair installation, then use EasyBCD to add an try for either Windows or Ubuntu:

--------------------
1. Insert the Windows 7 DVD
2. Restart your computer
3. When asked if you want to boot from your DVD drive, do so.
4. Choose your language, click Next.
5. Click 'Repair your computer'
6. Select operating system you want to repair.

LINUX: Dualboot Linux and Windows
http://neosmart.net/wiki/display/EBCD/Ubuntu


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Helle Andre Da Costa,

Thanks for your quick reply, the thing is i don't have a dvd/cd drive, and the windows 7 was pre-installed when i bought this pc. so i don't have a windows 7 dvd eather.

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so any other suggestions?

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Use your computer manufacturer's recommended Windows 7 recovery procedure to reinstall Windows 7 from scratch.  Computer manufacturers do not support dual-booting with their preinstalled operating systems.
Carey Frisch
Windows Expert - Consumer

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Hi Carey Frisch,

So i am gonna loose my data, that's what you say?

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Thanks for your quick reply, the thing is i don't have a dvd/cd drive, and the windows 7 was pre-installed when i bought this pc. so i don't have a windows 7 dvd eather.

You may need another computer with Windows 7...

Windows 7 - Create a System Repair Disc on a Bootable USB Flash Drive without Burning a CD

http://www.youtube.com/watch?v=nHk6BNtwy5w

Another guide:

http://www.intowindows.com/how-to-repair-windows-7-from-usb-flash-drive-repair-without-installation-dvd-disc/

 

If your partitions aren't too badly damaged the info below may work.

Use your Windows 7 install disk or recovery disk to repair the boot process. If successful you will be able to boot into Windows, but not into Ubuntu. Then use EasyBCD to add Ubuntu to the Windows bootloader.

An alternate method would be to reinstall GRUB - doing so should add Windows 7 to the GRUB boot menu and allow you to boot into Windows 7 and Ubuntu.

http://www.gnu.org/software/grub/

 

 

Step 1. Try Repairing The Windows 7 Installation

1. Insert the Windows 7 DVD and restart your computer
2. Boot from the DVD.
3. Choose your language and click Next.
4. Click Repair Your Computer and then select the operating system you want to repair.
5. Click on the Startup Repair link from list of recovery tools in System Recovery Options.

More info and a how to guide:
http://pcsupport.about.com/od/toolsofthetrade/ss/windows-7-startup-repair.htm


If that doesn't fix it:

1. Insert the Windows 7 DVD and restart your computer
2. Boot from the DVD. If prompted, press any key to start Windows from the installation disc.
3. Choose your language and click Next.
4. Click Repair Your Computer and then select the operating system you want to repair.
5. Select Command Prompt and type the following commands (pressing Enter after each one): 
 
bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD

Note: there is a space before the /

 

Step 2. Editing the boot menu with EasyBCD

You can use EasyBCD by NeoSmart Technologies to edit the Windows 7 boot menu. It allows you to define start-up settings and edit boot entries.

http://neosmart.net/dl.php?id=1

 

 


Have Questions About Installing Windows 7?
FAQ - Common Windows 7 Installation Questions & Answers
MCC 2011

TrekDozer

Sharing bits of knowledge.

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Hello TrekDozer,

Thank you for your answer.

-for appply the method in the first link you mentioned, i need a pc with windows 7 installed and has a recovery partition. today i couldn't find one but i will keep that in miind.

-about the second link, first part tells that we need a cd/dvd drive which i don't have, i passed it. the second part looks like fine. i will give a shot for that tomorrow and write the reult here.

 

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Hello,

 

i achieved to see a windows screen!

 

i followed the instructions here http://www.youtube.com/watch?v=nHk6BNtwy5w

and created a system repair bootable usb, thanks to TrekDozer.

after i run chkdsk D: /f /r it checked the disk in 5 steps but as i understood it didn't fix the errors.

anyway, after i rebooted the system and chose windows 7 from grub i see a blank screen but with some information (at last). It was a classic (i came to this comment after a quick search in google) problem :

"Window failed to start. A recent hardware or software change might be the cause. To fix the problem:

1.Insert....

2. ....

...

status : 0xc000000f

info : The boot selection failed because a required device is anaccesible

....

"

 

-the last software i installed on windows was clementine (a data mining program) but i'm sure that after that installation i booted windows succesfully many times so i think this is not the issue.

-the last action that may be effect hardware was to copy a 60 gb data from windows to linux while i was on linux (ubuntu). After this operation i couldn't boot windows anymore.

 

now, i found some instructions for this problem on google, if you already experienced on this issue and achieved it, than i would like to hear your solution.

 

thanks in advance.

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i forgot to add;

i don't have a restore point, so i can not restore the system.

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TrekDozer,

when i use commands:

bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD

and if doesn't work either than i will loose my grub and ubuntu, right?

...Use your Windows 7 install disk or recovery disk to repair the boot process. If successful you will be able to boot into Windows, but not into Ubuntu...

if not !!!

so isn't it a little bit dangerous? As i understood that this commands modify Boot and MBR sections,

so i think these steps are not safe.

what do you think?

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Last updated December 16, 2018 Views 9,199 Applies to: