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Windows 7: 7x64 crashed and died

15 Aug 2010   #11
RogerR

7 x64 Ultimate
 
 

Here is what I got so far:

NO OS files found on disk

Partition table repair failed Error code = 0 x 490

So, this is an MBR issue isn't it?


My System SpecsSystem Spec
.
15 Aug 2010   #12
Jonathan_King

Windows 7 Professional x64
 
 

Maybe, maybe not.

Can you take the hard drive to another machine to test out? Add it as a secondary drive, and run SeaTools on it.

If you can boot up the repair disc at all, open a command prompt (Shift+F10 at the language screen), and run the following:
Code:
DISK AND FILE SYSTEM CHECK
chkdsk /r
MARK THE PARTITION AS ACTIVE
diskpart list disk select disk [number of your OS drive] list partition select partition [number of your C partition, or the 100MB partition if you have one] active exi
REPAIR THE BOOT SECTOR AND MBR
bootsect /nt60 bootrec/fixmbr
My System SpecsSystem Spec
15 Aug 2010   #13
RogerR

7 x64 Ultimate
 
 

When I boot from CD I get Windows Boot Manager and Setup [EMS enabled] - what is that and how do I ditch it for a regular boot from CD?
My System SpecsSystem Spec
.

15 Aug 2010   #14
RogerR

7 x64 Ultimate
 
 

From a command prompt on the drive that contains windows (E: ) chkdsk /r returns

Quote:
type of file system is NTFS
cannot lock current drive

"Chkdsk cannot run because the volume is in use by another process. Chkdsk may be run if the volume is dismounted first. ALL OPENED VOLUMES WOULD THEN BE INVALID. Would you like to force a dismount on this volume?
My System SpecsSystem Spec
16 Aug 2010   #15
RogerR

7 x64 Ultimate
 
 

just getting back on this ... the drives all seem to be healthy ... from the prompt to add drivers (from the repair option) I can access all the drives and even move data to removable drives.

So, again - is this not simply an MBR failure?
My System SpecsSystem Spec
16 Aug 2010   #16
RogerR

7 x64 Ultimate
 
 

btw, I also have an XBoot) drive listed. This is mentioned on another thread, though not conclusively, as possibly being a RAM drive. Whatever it is, I'm wondering if it is stopping me from doing a repair install?
My System SpecsSystem Spec
16 Aug 2010   #17
Capt.Jack Sparrow

Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
 
 

Quote   Quote: Originally Posted by RogerR View Post
btw, I also have an XBoot) drive listed. This is mentioned on another thread, though not conclusively, as possibly being a RAM drive. Whatever it is, I'm wondering if it is stopping me from doing a repair install?
Hello,

Try this Ultimate Boot CD - Overview run the Diagnostic for Hard Drive, RAM. I doubt whether the Repair Install would fix it since it could be a Hardware issue.

Hope this helps,
Captain
My System SpecsSystem Spec
16 Aug 2010   #18
RogerR

7 x64 Ultimate
 
 

Hard drives are healthy and RAM is error free
My System SpecsSystem Spec
20 Aug 2010   #19
RogerR

7 x64 Ultimate
 
 

Update:

The problems did indeed turn out to be a Master Boot Record failure. After all the poking prodding and analyzing, all it required was a quick minute with a bootable Partition Wizard Home Edition disc.

To all those not familiar with this free program, I heartily suggest you add it to your software rack before your next untimely event.

And folks who have any kind of "windows failed to load" episode are advised to give this a quick look before taking drastic other steps. All my shortcuts, installed programs etc were intact and after a few clicks it was all back to normal.
My System SpecsSystem Spec
20 Aug 2010   #20
Jonathan_King

Windows 7 Professional x64
 
 

Thanks for the report! I'll have to do some playing in a VM, thanks for the tip.
My System SpecsSystem Spec
Reply

 7x64 crashed and died




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