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Windows 7: WIN 7 corrupting XP HD in dual boot system

30 Apr 2012   #11
Gerry Peters

WIN7 64
 
 

Quote   Quote: Originally Posted by gregrocker View Post
As suspected Win7 HD does not have its System boot files and is booting off the the XP HD therefore dependent upon it.

To correct this, unplug all other HD's except Win7, set Win7 HD first HD to boot in BIOS setup, boot the Win7 DVD or System Repair Disk to run Startup Repair - Run 3 Separate Times until Win7 boots on its own and holds the System flag.

I would also move Win7 HD into Disk1 position by swapping the cable for Data (E) drive to it first. This is so no other data HD can be in a position to steal the System boot files if accidentally marked Active and in a preceding position.

Once Win7 boots on its own, plug back in the other HD's, choose XP to boot when needed by tapping the one-time BIOS Boot Menu key at boot.

Reimaging XP should now no longer steal the boot from Win7 since it's independently booted.
I did everything like you said, except I didn't change the bios HD priority before I shut down and unplugged all HD's. I thought that since there was only one HD that the bios would have reset the boot HD priority and it wouldn't matter.

The result is I can boot to WIN7 but I can't boot to XP after plugging all the HD's in. Right now the bios has my XP HD listed as the first HD to boot, yet it boots to the other HD, which is WIN7. If I change the HD boot priority to the WIN7 HD in the bios then it stalls at a DOS screen saying NTLDR is missing.

If I hit F12 during the bootup and tap the one-time BIOS Boot Menu key, and choose the XP HD then it boots to the WIN7 HD and if I use F12 to choose the WIN7 HD then it stalls at NTLDR is missing.

I'm uploading a new snippet of my HD as shown in WIN7. I'm beginning to think that maybe I should use my IDE HD as WIN7 since it shows up as Disk 0 or do you think I should start all over with your instructions and before shutting down the computer to unplug HD's, first change the HD boot prioity in the bios to the WIN 7 HD?
WIN 7 corrupting XP HD in dual boot system-capture-gp-win7-2.png




My System SpecsSystem Spec
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30 Apr 2012   #12
gregrocker

 

There is no change except that Win7 HD is now in Disk1 position.

If Win7 had been repaired successfully to start on its own without XP HD attached, it should hold the System flag. To do this run Startup Repair - Run 3 Separate Times with Win7 HD set first to boot, after unplugging XP HD.

Once Win7 boots on its own and holds the System flag, try plugging back in XP HD to boot it using F12 key. If this fails you can install EasyBCD to Win7 to add XP on the Add OS tab.
My System SpecsSystem Spec
30 Apr 2012   #13
Gerry Peters

WIN7 64
 
 

Quote   Quote: Originally Posted by gregrocker View Post
There is no change except that Win7 HD is now in Disk1 position.

If Win7 had been repaired successfully to start on its own without XP HD attached, it should hold the System flag. To do this run Startup Repair - Run 3 Separate Times with Win7 HD set first to boot, after unplugging XP HD.

Once Win7 boots on its own and holds the System flag, try plugging back in XP HD to boot it using F12 key. If this fails you can install EasyBCD to Win7 to add XP on the Add OS tab.
Good idea. I simply added XP to the boot menu using EasyBCD in Win7 and now it all works fine. Both OS boot fine. Later I can try and see if I can get it all to work using the F12 key and bypassing the need for the Windows boot menu.

In my earlier post today, I was able to boot just fine to WIN7 with the other HD's all unplugged after running the repair computer option. I only ran into problems when I plugged all the other HD's back in and XP wouldn't boot. Now it's all fine, thanks to you. I appreciate your help.

What a great forum this is!
My System SpecsSystem Spec
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01 May 2012   #14
gregrocker

 

Then for some reason Win7 isn't holding the System flag as it should to tell us that the System boot files are there and booting the OS. When only the XP partition holds System flag we have to assume it is booting both OS's in a Dual Boot.

Sometimes Disk Management reports wrongly, however, so you can double-check this with free Partition Wizard bootable CD which always gets it right.

When you add XP from Win7 using EasyBCD, do you have a working Dual Boot menu? How is performance for both OS's?
My System SpecsSystem Spec
02 May 2012   #15
Gerry Peters

WIN7 64
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Then for some reason Win7 isn't holding the System flag as it should to tell us that the System boot files are there and booting the OS. When only the XP partition holds System flag we have to assume it is booting both OS's in a Dual Boot.

Sometimes Disk Management reports wrongly, however, so you can double-check this with free Partition Wizard bootable CD which always gets it right.

When you add XP from Win7 using EasyBCD, do you have a working Dual Boot menu? How is performance for both OS's?
I redid all your previous instructions and got it to work as you said. I now use the F12 button to choose which HD OS. Both OS are totally independent. I got a little distracted my CPU fan went out and it took my a while to figure out why my computer was shutting down. I thought at first it had something to do with this WIN7 experiment.

So now the way I have it setup is my IDE HD now has WIN7, which in WIN7 is Disk 0 and my SATA DISK 1 is my XP OS. It seems everytime I have the WIN7 install DVD run repair computer it corrupts my XP HD and it crashes my main audio program. Now that you've given me this new way that isn't happening.

SO the final question is what do I need to avoid in the future? I assume I should always remove all HD's when running startup repair. I tend to image only 1 HD at a time and make a complete image with MBR no incremental stuff. I suppose I should for now keep WIN7 on the IDE HD. In the future if I go to a SATA, I'll do the same procedure you gave me to fix the startup problem.

Thanks for all your help,
My System SpecsSystem Spec
02 May 2012   #16
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Something just occurred to me. Has grub (linux) ever been in use on this system?
My System SpecsSystem Spec
02 May 2012   #17
Gerry Peters

WIN7 64
 
 

Quote   Quote: Originally Posted by Maguscreed View Post
Something just occurred to me. Has grub (linux) ever been in use on this system?
haven't used it
My System SpecsSystem Spec
02 May 2012   #18
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

ah okay well it was something that would explain the erratic behavior here so it didn't hurt to ask.
My System SpecsSystem Spec
02 May 2012   #19
gregrocker

 

Unplug all other HD's except Win7 when running it's Startup Repair.

But you shouldn't need to if you keep the XP reimaging to just it's HD, with the Win7 HD unplugged during these operations and the XP HD set first HD to boot in BIOS setup.

If asked include MBR and Track 1 during reimaging which should allow XP to start on its own. If not and XP will not boot when set first HD to boot after reimaging, you may need to boot into XP CD Repair to run bootrec /fixboot and bootrec /fixmbr commands.

If this fails you can plug back in Win7 HD, set its HD first HD to boot in BIOS, install EasyBCD to see if adding XP will start it.
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