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Windows 7: XP Dual Boot issue - 200mb System Partition

11 Jan 2010   #1
shotcaller88

windows 7
 
 
XP Dual Boot issue - 200mb System Partition

My Lenovo y450 notebook came with Win7 Premium x64 installed. I set it up to Dual Boot with XP Pro. I used EasyBCD and everything went rather smoothly.
My issue is that XP recognized the 200mb System partition (created by the factory install of win7) as the C partition. This causes issues when attempting to install the XP drivers as they try to extract to the C partition. The driver installation error instructs me to free up more space on the C partition. Note: XP is installed on the D partition.
I have tried several things and after much research, I'm not quite sure what to do. I assigned a drive letter ('S') to the 200mb partition in win7. This didn't change anything in XP. I cannot reassign the drive letter in XP because it is a system drive. I know you can change drive letters of system drives via the registry, however I fear this may screw with the boot files.
Is there any known fix for this? I do not mind installing XP again, if necessary. I was thinking about using a partition utility to temporarily expand the 200mb partition to allow enough space to extract the XP drivers. However, I fear I may encounter other issues in the future with XP installed on the D partition.

Thank you very much for any helpful replies.


My System SpecsSystem Spec
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11 Jan 2010   #2
Pauly

Win7 Ultimate X64
 
 

Have a read through the second section of this tutorial
Dual Boot Installation with Windows 7 and XP
My System SpecsSystem Spec
11 Jan 2010   #3
gregrocker
Microsoft MVP

 
 

Can you please post back a screenshot of your full Disk Management drive map, using SNipping Tool in Start Menu, attaching file using paper clip in reply box.

Would you consider: expanding deleted C: Sys Reserved partition to reinstall XP there, then recover the MBR into Win7 using Startup Repair from booted Win7 DVD, add XP back to Dual Boot using EasyBCD 2.0?
My System SpecsSystem Spec
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11 Jan 2010   #4
Saltgrass

Windows 7 x64
 
 

Having a 200 mb partition in the RTM is a little strange. I wonder if Lenovo added something to the normal 100 mb partition?
My System SpecsSystem Spec
11 Jan 2010   #5
gregrocker
Microsoft MVP

 
 

You can check if it is a standard 100mb System Reserved partition by unhiding Hidden Files and Protected OS files in Control Panel>Folder Options>View tab.

It should look like this:

XP Dual Boot issue - 200mb System Partition-capture.png

A standard Sys Reserved partition like this can be deleted (or in your case, formatted to be used as a Primary OS partition) and recovered into Win7 partition using Win7 DVD Startup Repair.


My System SpecsSystem Spec
12 Jan 2010   #6
shotcaller88

windows 7
 
 

Thank you very much for the replies. Here are a few screen shots.

Disk Management Win7


Disk Management XP


200mb drive - Win7
My System SpecsSystem Spec
12 Jan 2010   #7
shotcaller88

windows 7
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Would you consider: expanding deleted C: Sys Reserved partition to reinstall XP there, then recover the MBR into Win7 using Startup Repair from booted Win7 DVD, add XP back to Dual Boot using EasyBCD 2.0?
Yes! I would definitely consider that. Sounds like a wonderful idea. If you don't mind, can you take a look at the screen shots I posted and let me know if you think that would work fine?

Quote   Quote: Originally Posted by Saltgrass View Post
Having a 200 mb partition in the RTM is a little strange. I wonder if Lenovo added something to the normal 100 mb partition?
The hard drive came from Lenovo with 4 partitions.
1) Win7 - 250gb
2) Drivers - 30gb (just a single folder with drivers)
3) 200mb (hidden)
4) Recovery - 16gb (hidden)

I burned the drivers to disc and used that partition to install XP.
My System SpecsSystem Spec
12 Jan 2010   #8
gregrocker
Microsoft MVP

 
 

The 200mb holds the boot files for both Win7 and XP. I would delete it to recover MBR into Win7, then resize Win7 into it's space, make it smaller and create a new XP partition and possibly logical data partition to the right of Win7.

To do this, back up your files and a Win7 system image externally as resizing operations can fail. Make your Recovery Disks if possible from hidden Recovery partition.

Boot Partition Wizard CD, choose 1 for screen resolution, rightclick 200mb>Delete, OK.

Now right click Win7 partition>Modify>Set to Active, then rightclick Resize>drag left border over deleted 200mb space, then drag right border to make room for XP, poss. logical data partition, OK.

Right click unallocated space to create, format XP Primary partition, OK. Ditto Logical Data partition if you wish. Now apply all steps. If necessary, you may need to break these steps into two separate groups.

Boot into Win7 DVD Repair console, click through to Recovery Tools to run Startup Repair up to 3 separate times to rewrite MBR to Win7 partition.

Install XP, adding it to Dual Boot Menu by following the steps in Method Two here: Dual Boot Installation with Windows 7 and XP
My System SpecsSystem Spec
12 Jan 2010   #9
shotcaller88

windows 7
 
 

Wow, seems like a bit of a mission. I'm game though. Thank you so much for the detailed instructions. I greatly appreciate your time. I won't have time to try it out for a few days or more, but I will be sure to report back. Thanks again Greg!
My System SpecsSystem Spec
13 Jan 2010   #10
gregrocker
Microsoft MVP

 
 

It seems complicated, but PW makes it easy with graphical interface, slider buttons, cueing up steps before you Apply them at end.

What wraps it up nicely is that Startup Repair in Win7 is automated with all the former bootrec and bootsect commands which had to be typed out. It may require running it up to 3 separate times with reboot as it has multiple issues to fix.
My System SpecsSystem Spec
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 XP Dual Boot issue - 200mb System Partition




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