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Windows 7: Switch to 64bit. My system has two hard drives.


22 Nov 2010   #1

Windows 7 Home Premium 32bit.
 
 
Switch to 64bit. My system has two hard drives.

I have an HP Quad Core computer that came with two hard drives. I installed Windows 7 32 bit a year ago. The disk also came with a 64 bit version but the upgrade required a clean install.

If I decide to install the 64 bit version, do I lose everything on both drives?

My System SpecsSystem Spec
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22 Nov 2010   #2

W7 Prof 64 bit
 
 

Basically yes. However if you have some folders just for storing files on the second drive they should remain.
If you do a fresh O/S install I would format the 'c' drive.
My System SpecsSystem Spec
22 Nov 2010   #3

Windows 7 Ultimate x64 x2 + x86 + Windows 8.1 x64 x2
 
 

If you install the 64bit OS onto the Disk/partition that currently has the 32 bit OS on it then you will lose all data and programs on the 32bit version, it should not effect the other drive at all.
My System SpecsSystem Spec
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22 Nov 2010   #4

Windows 7 Ultimate 32 bit
 
 

As big of a pain as it is to reinstall your software, a clean install is, by far the best.
My System SpecsSystem Spec
22 Nov 2010   #5
Microsoft MVP

 

Are you ready to replace 32 bit with 64 bit, or do you want to test 64 bit to compare it with 32 bit?

If you want to test it, then I'd create a partition on the other HD to install 64 bit, unplug the 32 bit during install, set the target HD as first HD to boot in BIOS setup. Partition or Volume - Shrink
Partition Wizard : Use the Bootable CD

After install, plug back in the 32 bit HD, boot it via BIOS one-time Boot menu key which every computer/mobo has. bootkeys

You'll have up to 120 days during which you can extend the activation of 64 bit to decide which one you want to keep to activate permanently. You're entitled to either 32- or 64-bit with each license, but only one install of either. http://www.sevenforums.com/tutorials...-120-days.html

If you want to keep 64 bit, for example, move the data you want to save from the 32 bit HD to the 64 bit one, then wipe the HD, repartition/format to use as a data or storage drive. You can then activate 64 bit.

If you want to keep 32 bit, just move the data off the 64 bit HD to the 32 bit one and wipe it, repartition and format to use as data or storage drive. Experiment finished.
My System SpecsSystem Spec
23 Nov 2010   #6

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Quote   Quote: Originally Posted by rldupree View Post
I have an HP Quad Core computer that came with two hard drives. I installed Windows 7 32 bit a year ago. The disk also came with a 64 bit version but the upgrade required a clean install.

If I decide to install the 64 bit version, do I lose everything on both drives?
Hi rldupree, welcome to Seven Forums.

You will only loose your data on the Windows 7 32bit partition.
The other hard drive won't be affected.

If you only have one partition on the Windows 7 32bit hard drive and you keep all your personnal data on that partition, you will need to move all your personnal data to another partition before you install Windows 7 64bit.

If you want to test the Windows 7 64bit, you can do as gregrocker suggested.
My System SpecsSystem Spec
23 Nov 2010   #7

Windows 7 Ultimate x64 SP1
 
 

Copy all the data you want to save to the second drive. Then, disconnect it from the system, and do a clean install on the primary drive. Once it is up and running, reconnect your second drive, and rearrange your drive letters, if you want.
My System SpecsSystem Spec
23 Nov 2010   #8

Windows 7 Home Premium x64 OEM --> RTM clean install
 
 

Just a heads up from a not-so-noob-noob: I fresh installed x64 Home Premium and the setup wiped my C partition, my Data partition and my OEM system restore partition. Play it safe, physically unplug the 32bit disk before attempting x64 install.
My System SpecsSystem Spec
23 Nov 2010   #9

Windows 7 Ultimate x64 SP1
 
 

The OEM restore partition would be useless in this situation because it wouldn't restore the desired OS. It is a dumb idea to rely solely on a partition on your drive as a means of restoring anyway, because if the drive dies...so does your restore. If he has the x64 disc, that's all he needs. The OEM partition can, and usually is, blown away to recover the space.
My System SpecsSystem Spec
23 Nov 2010   #10

Windows 8 Professional
 
 

in addition to what allend66 said, be sure the second hard drive is a physical harddrive and not just a partition of one large disk. If it is a physical disk then pull the power from it (when pc is off). Install Windows 7 and once its up and running you can plug the second hard drive back in (again when pc is off).
My System SpecsSystem Spec
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 Switch to 64bit. My system has two hard drives.




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