Solved Win 7 onto 2 HDs of same Desktop?

Dell Xps 420 desktop computer ( core 2 q...
September 5, 2012 at 14:32:52
Specs: Windows 7, quad core 2.4 ghz
I have a windows 7 64 bit DVD i purchased i bought a couple years ago( pre SP1)..I have a desktop that has 2 hard drive bays. both are occupied. 1 has the windows 7 64 Operating system and the other is blank

I would like to know is it possible ( without causing any problems with my first hard drive) that I can install windows 7 64 bit on the SECOND hard drive, and use it as sort of a backup operating system in case any of the windows 7 files get corrupted/ or a virus/ or if the hard drive is damaged and files are lost ??

I know how to switch the Booting order when you first turn the computer on. IS is possible to just boot up to 1 one day and then just switch to the other hard drive another day if i like without any problems?( where i can still update windows, etc on both Hard drives without any genuine copy errors, or anything of that sort. Since its installed ont he same computer, does everything sound ok?

I would like to know if this is possible. TY

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September 5, 2012 at 15:25:24
"I would like to know if this is possible. TY"
Yes it is.

Is it a PC or Laptop?

Tell me the type of drives you have.

Drive 1: Sata, IDE or other

Drive 2: Sata, IDE or other

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September 5, 2012 at 15:57:56

With how you have described your PC, it should be easy to install another OS on your second hard drive. I would reformat the second hard drive (Backing up any files that may be on it, of course.) before installing Windows 7; you should be able to do this after booting from the Windows 7 disc for install, or from within your main Windows 7 installation.

Good luck,


AMD Sempron 2600+
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September 5, 2012 at 16:16:46
✔ Best Answer
While what you are proposing is certainly possible but is a silly way of doing it.

Bear in mind that if the first installation fails,programmes and applications installed in that will not be available in the second installation. You are going to have to install all your applications twice

Why not just make a disk image and a recovery disk using the tools provided with Windows 7. You can then keep them in safe place if they are needed.


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September 12, 2012 at 16:01:18
thank you very much guys

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September 12, 2012 at 19:16:05
While all are 'right', Stuart if the most correct. It would be best if you kept a full drive image on the second drive and a weekly updated normal back up so you could restore your original installation in case of any problem serious enough to be not easily recoverable otherwise or if the drive completely fails. Also make a Windows 7 Repair Disk since this will make it easier to reload the disk image, perform a System Restore (when the internal restore feature is corrupted), or a Start Up Repair.

If you still plan on loading a second operating system on the second hard drive and plan on being able to select which to use from the BIOS (rather than a normal dual boot), you will need to unplug the original hard drive when making your second installation or it will simply use the boot sector on the original hard drive and make it a dual boot that way (if you don't accidentally wipe and install it on the original hard drive, which is a very real possibility). To be able to boot off of the second drive if the first is completely dead, it will need its own boot sector or you will then need to do a start up repair to the second drive before you could use it.

To me, the first is better and the one I use.

You have to be a little bit crazy to keep you from going insane.

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