Strange behaviour of twin OS.

candyman

New Member
I have an odd question.

A little while ago I installed both XP Pro and Windows 7 on on of my computers in order to see how it worked.

It's OK and both OSs work fine - at startup I simply choose which system to use.

But there is one oddity - not anything that causes a problem but an oddity which I can't replicate on a friend's computer who asked me to install 2 OSs on his computer.

I partioned my HD into 3 sections - one for XP, one for Win 7 and one for Data.

XP was installed on the C drive, Win 7 on the D drive and Data on the E drive.

The oddity is that when I use XP or Win 7 they BOTH show that they are on the C drive with the other OS on the D drive.

This is very handy as I can simply install all programs to the C drive (whichever OS I am using) without having to change the destination to the D drive.

I partitioned the D and E drive as logical drives in an extended partition with the C drive as the primary partition.

The problem is that I can't replicate this on my friend's computer - his XP remains on the C drive and his win 7 remains on the D drive - they don't transpose as they do on mine.

The only difference as far as I can see is that his XP is a primary XP while mine is an upgrade and I have to install it over an existing version of XP.

Does anyone have any idea how I managed to do this and how I can replicate it since it is quite handy?

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That... is quite novel.

No idea how you managed it, mate.

Does Win 7 not see your XP partition at all?

Oh yes when I'm using Win 7 and click on "My Computer" I can still see all the partions except this time Win 7 is marked as Drive C (labelled as Windows 7) , XP Pro is marked as Drive D (labelled as XP Pro) and Data is marked in both as Drive E (labelled as Data).

When using XP Pro both the C and D drives are transposed with their labels.

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