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Windows 7: Operating System not found


09 Jul 2012   #1

Windows 7 Ultimate x64
 
 
Operating System not found

oh gosh...to everyone out there please help...
i was trying to recovery some data on an external drive i have with the tool testdisk
and it asked me to reboot the system...
after that i can't reboot cause it keeps saying me operating system not found
i'm so dumb
is there any way to fix this problem? maybe to restore the system from bios or something like that...
i had some papers for my university degree in my pc and i want them back

thanks in advanced...

My System SpecsSystem Spec
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09 Jul 2012   #2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

You need some kind of bootable media.

On a working pc download and burn to cd PW free boot cd. Partition Wizard Bootable CD allows user to manage partition directly with partition manager bootable CD.

Boot it up on the sick machine.

If you have 100mb partition, rt click it set as Active, ok , apply.

If you don't have 100mb partition - then try setting the main windows partiton Active instead - if that doesn't do it, set the manufacturers recovery partition Active.
My System SpecsSystem Spec
09 Jul 2012   #3

Windows 7 Professional x64 Service Pack 1
 
 

Do you have a Windows 7 installation cd? If you do, boot your system off of it and when it comes up to the screen saying Windows 7, click on next. Then on the screen, click on repair your computer in the bottom right. It may find errors before you have to select an OS to repair, but if it doesn't, select Windows 7 and press next. Then, click on Startup Repair and let it run. It may take a while depending on what it has to repair.
My System SpecsSystem Spec
.


09 Jul 2012   #4

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by windude99 View Post
Do you have a Windows 7 installation cd? If you do, boot your system off of it and when it comes up to the screen saying Windows 7, click on next. Then on the screen, click on repair your computer in the bottom right. It may find errors before you have to select an OS to repair, but if it doesn't, select Windows 7 and press next. Then, click on Startup Repair and let it run. It may take a while depending on what it has to repair.
no sir it was pre-installed so i don't have any Windows 7 installation disc
My System SpecsSystem Spec
09 Jul 2012   #5

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

Hiyya woot and welcome

Didn't just so happen to make either a rescue disk or system image by any chance?

I don't know about evryone else but would a safe boot work? - F8 on power up.

Personally I would - only because I can hook the HDD up as an external to another machine and try and get that data off that way - possible?

Um what about that USB install method download the ISO - boot from it and when the screen comes up do a repair?

If you do a factory default though your can kiss the data bye bye. - maybe even Recuva may work even then? as I have used that before Recuva - Undelete, Unerase, File and Disk Recovery - Free Download
My System SpecsSystem Spec
09 Jul 2012   #6

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Follow instructions in my previous post.


Quote   Quote: Originally Posted by woot View Post
Quote   Quote: Originally Posted by windude99 View Post
Do you have a Windows 7 installation cd? If you do, boot your system off of it and when it comes up to the screen saying Windows 7, click on next. Then on the screen, click on repair your computer in the bottom right. It may find errors before you have to select an OS to repair, but if it doesn't, select Windows 7 and press next. Then, click on Startup Repair and let it run. It may take a while depending on what it has to repair.
no sir it was pre-installed so i don't have any Windows 7 installation disc
My System SpecsSystem Spec
09 Jul 2012   #7

Windows 7 Professional x64 Service Pack 1
 
 

Since you don't have an installation cd, just download one of these legal install cds to do the repair: Official Windows 7 SP1 ISO from Digital River My Digital Life
You can also use the disc to reinstall Windows with a clean install which you may have to do depending on if doing what i and SIW2 said works or not.
My System SpecsSystem Spec
09 Jul 2012   #8

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

Quote   Quote: Originally Posted by windude99 View Post
Since you don't have an installation cd, just download one of these legal install cds to do the repair: Official Windows 7 SP1 ISO from Digital River My Digital Life
You can also use the disc to reinstall Windows with a clean install which you may have to do depending on if doing what i and SIW2 said works or not.
Yeah I meant that only I did the same thing using USB Windows 7 Installation Key Drive - Create and it worked a treat.

Sorry you other fellows didn't mean to confuse the issue
My System SpecsSystem Spec
09 Jul 2012   #9

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by SIW2 View Post
You need some kind of bootable media.

On a working pc download and burn to cd PW free boot cd. Partition Wizard Bootable CD allows user to manage partition directly with partition manager bootable CD.

Boot it up on the sick machine.

If you have 100mb partition, rt click it set as Active, ok , apply.

If you don't have 100mb partition - then try setting the main windows partiton Active instead - if that doesn't do it, set the manufacturers recovery partition Active.
sir i did what you said and in the main screen of PW says..

DISK1 Capacity used
*recovery 14 GB 13.92
* 450GB 0

probably means that i erased all the data from my main hard disk (the one in my pc)

yes god now i could die
My System SpecsSystem Spec
09 Jul 2012   #10

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

Now one last suggestion and I really don't mean to interfere windude and SIW but is there any chance of getting the drive onto another machine as an external and try the Recuva from it?
My System SpecsSystem Spec
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