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AllisonSype
07-10-2015,
I hope 'Aura' sees this as his previous help (on the original computer) had a glitch. He advised, 'Also, simply right-click on D: (which has the XP) and select Delete'
(I'm trying this on another computer which has the same setup.)

This does not work as Windows says that it cannot delete this, presumably as it has the boot stuff on it? The link to see my configuration is:- http://puu.sh/iNLa7/e51a2c566c.png

D; is called BOOT and C: has Boot in the description.

Trying this again under Disk Management the Delete volume is greyed out but was not when I first tried it so Windows presumably 'knew' I had tried before - very clever?

Any advice please - thanks.

AllisonJexy
07-10-2015,
The only way you would be able to delete this partition is offline using a bootable disk or USB. If you delete the D: boot partition which is marked active, you would lose the ability to boot Windows 7. In order to get Windows 7 to boot again you would need to repair it. Send Aura a PM and reference this thread if you want him to reply.

allieac60
07-11-2015,
Thank you for that reply. It is more difficult than I'd hoped.

A simpler but more time and trouble consuming for me would be to re install the Win 7 using the disk I have which would, I hope, clear the drive of the XP, yes? Then sit back for all the updates and leave the computer open for malware etc. Not a happy choice I think.

allongJax
07-13-2015,
That may be the best option as a clean install would create a 100MB system reserved partiion.

You could do the following.

Create a System Repair Disk from your current install.

Create a complete disk image of your current setup using something like Macrium Free. You would first need to create a bootable disk inside of Macrium in order to restore the partition if the computer does not boot. You would save the disk image to an external drive. This would give you the option to restore the image and you would be back to where you started. With Macrium installed on a computer you can also explore the image by mounting it as a virtual drive and copy any file you want from that image.

Delete the XP partition using the Windows 7 install disk. At this (http://pcsupport.about.com/od/operatingsystems/ss/windows-7-clean-install-part-1.htm#step9) Window select Custom(Advanced). At the next window you would delete the XP partition.
Reboot the install disk and at this (http://pcsupport.about.com/od/operatingsystems/ss/windows-7-clean-install-part-1.htm#step6) window select Repair Your Computer. Do a Startup Repair. It may take up to three tries before the repair completes as the partition has to be marked active and the BCD needs to be rebuilt. You would then need to expand the partition using a third party partition manager like Partition Wizard.

As you say, depending on how much you want to do, if you have the key for Windows 7 and the install disk, you may want to simpley reinstall Windows 7. If this is an OEM computer then you would need to use the Restore disks in order to bypass activation. If you used a regular retail install disk with the OEM key you obtained using a keyfinder then you would need to do a phone activation after install or use this (http://joshcellsoftwares.com/products/advancedtokensmanager/) utility to save your activation files from your current install.