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Windows 7: Windows 7 bootloader get nuked when booting windows XP (dualboot)

16 Nov 2011   #11
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

Click Start and type Disk Management in the Search field.

Click Disk Management under the resultant list.

Expand Disk Management so that we can see the whole window then use the Snipping Tool to to take a screenshot for uploading.

Screenshots and Files - Upload and Post in Seven Forums


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16 Nov 2011   #12
Corazon

Windows 7 Professional SP1 32-bit
 
 

You cannot install drivers for one Windows under another. Not possible. You probably meant something else, but I'm not sure what...

I suspect that since you only experience booting problems after a session in XP, something is running inside of XP that's messing with the MBR/bootloader. We probably should concentrate on XP for that reason.

Can you think of anything you installed under XP that could be doing this? (Anyway, don't want to get in the way of getting the screenshot from Disk Management for now...)
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16 Nov 2011   #13
QWERTYAndreas

Windows 7 professional 32 bit
 
 

Here is the picture.

Corazon: I did install drivers for windows XP under windows 7. And it worked. It is possibly, but not recommended.

I have not installed anything under XP, i didnt have before i installed windows 7. BUT: i can boot windows XP normally if i dont install the drivers at windows 7.. (ive only tried twice so far - theres a limit on how much i wanted to repair the computer with at sluggish bootCD...)


Attached Thumbnails
Windows 7 bootloader get nuked when booting windows XP (dualboot)-untitled.png  
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17 Nov 2011   #14
Corazon

Windows 7 Professional SP1 32-bit
 
 

If you installed XP drivers under 7 manually, i.e. by copying system files and adding registry entries, then I can see how you would've done it. Is that what you meant?

Your Disk Management screenshot doesn't show anything out of the ordinary - it's the expected result of a 7-after-XP installation (where the XP partition holds the boot files needed for the Windows 7 boot manager to run).

Quote:
BUT: i can boot windows XP normally if i dont install the drivers at windows 7..
I don't understand this statement, please explain. You're trying to install certain drivers under Windows 7 but they cause XP not to boot?
My System SpecsSystem Spec
17 Nov 2011   #15
gregrocker

 

The System boot files are on XP as can be expected when Win7 is installed last (correctly) and configures a Dual Boot.

Something likely corrupted XP so that it shuts down incorrectly I would troubleshoot this by moving the System boot files to Win7 so that it starts on its own (without relying on the boot files on XP partition as it is now) then using EasyBCD add XP from Win7 which works better. This will refresh the bootloader and possibly solve the shutdown problem.

To do this, mark Win7 partition Active in XP DiskMgmt or using Diskpart: Partition - Mark as Active.

Next boot the Win7 DVD Repair console or Repair CD to Startup Repair - Run 3 Separate Times until Win7 starts on its own.

Then install EasyBCD 2.02 to Win7 to Add XP, accept offered boot files, Save, Reboot to Dual Boot menu. EasyBCD 2.0.2 - NeoSmart Technologies

Hopefully this solves the issue. If not you may need XP Repair install or reinstall.
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17 Nov 2011   #16
QWERTYAndreas

Windows 7 professional 32 bit
 
 

I have marked the partition as active from windows 7. But it did not seem to work. I will try to see the XP DiskMgmt tomorrow - and see if it has any difference.

Andreas
My System SpecsSystem Spec
17 Nov 2011   #17
gregrocker

 

You cannot mark Win7 partition Active from Win7, which is why I said to mark it Active from XP or use Diskpart steps given from the DVD/Repair CD Command Line: DISKPART At PC Startup
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 Windows 7 bootloader get nuked when booting windows XP (dualboot)




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