Second HD in New computer

I have an HD (less than a year old) from an old computer and want to add it to a new computer as a backup drive which contains the OS.  I hate to erase information until the client has confirmed they have everything.  Is there a way to wipe out the OS so that the computer does see a second OS or is this not an issue?  We had issues before with his old computer because XP had been left on the second drive.
Thanks,
Mags
MagsOwnerAsked:
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Wayne88Commented:
I would just rename the win32k.sys file.  On the drive you don't want to boot from you can rename the file "win32k.sys" to "win32k.old" then Windows can't boot from there.
Richard DanekeTrainerCommented:
Or, just rename the Windows folder on the old drive.  Something clever like Windows.Old or WIndows.XP.   Any booting would look for the specific folder.

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MagsOwnerAuthor Commented:
Issue renaming win32k.sys - permissions
Was able to rename Windows to Windows.oldWin7

I'll confirm this worked.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Why is this an issue at all?

It's an old hard drive.  Unless you modify the boot configuration data on the new computer OR tell BIOS to try to boot the old hard drive, there should be no way that it ever tries to.

Also, as a matter of practice, I STRONGLY recommend you use Disk2VHD to create a copy of the old hard drive into a single large VHD file which can then be EASILY mounted in Disk Management like another drive if you ever need data off it.  When users leave at my clients or we wipe and reload a machine, we ALWAYS take a Disk2VHD backup first.  Takes about 1-2 hours depending on drive size/usage in most cases and you never have to worry about it.  PLUS, you can boot it if you ever needed to in a VM!
noxchoGlobal Support CoordinatorCommented:
Conect the drive as second to new PC, boot the PC, go to Windows Disk Management and there delete the partitions from this drive.
Then create new partition of unallocated space, name tr Backup and assign a drive letter. Format it as NTFS. Thats all.
tailoreddigitalCommented:
I agree with Lee, this is not an issue.    Make sure the BIOS isn't set to boot from it (Boot order).  

I've plugged in many secondary drives containing Windows.   It should boot fine as long as your primary drive is before your other drive in the boot order.
nobusCommented:
the simplest solution is not install the old HD in the pc - till the client has confirmed he has got all
MagsOwnerAuthor Commented:
Richard Daneke I have done this but need to wait for a HD Caddy
noxcho the last thing I want to do at this point is format the 2nd HD
tailoreddigital I agree it shouldn't be an issue but I had an issue on his last computer accessing an old copy of XP
Lee W, MVPTechnology and Business Process AdvisorCommented:
I had an issue on his last computer accessing an old copy of XP

The only way I can see that happening is if the BIOS had been configured to try multiple hard disks and the controller you connected put the XP drive ahead of the desired "regular" drive.
MagsOwnerAuthor Commented:
Lee thank for the info...that is good information for me.  That computer is dead and I simply did not want the same issue to happen with a drive that I will be using eventually for a back up drive that contains Win 7.
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