Wednesday, July 1, 2015

windows 7 - Computer won't recognize new hard drive

I have a 1TB external drive. It is actually an internal laptop drive I got out of my old HP Pavillion DV7 which I broke. I liked that computer so much I found the exact same model on eBay and bought it again. (By the way, the eBay laptop came with a 1TB Seagate drive, but the original one had a 1TB Toshiba drive) I have a copy of windows 8 I got for free as a student. I have Windows 7. I want to upgrade to Windows 8, but I want to be able to go back to Windows 7 at any time.



This was my evil plan:




  1. Create system image of Windows 7 on yet another 2TB external drive I have.

  2. Replace internal dv7 laptop drive with almost identical 1TB drive from old dv7 laptop (so pull it back out of the USB enclosure and stick it in my computer).

  3. use the Windows 7 restore CD to put the contents of my computer on the new drive just like they were on the old drive.


  4. do an in-place install of Windows 8.



That way I would have one hard drive with Windows 8 and one with Windows 7, and I could go back to 7 if I ever wanted.



Problem is, the laptop won't recognize the new hard drive. Both the Ubuntu live CD and the Windows restore CD don't see a hard drive. When I attempt to boot from the hard drive the computer says "Please install an operating system on your hard drive" leading me to believe the BIOS sees a hard drive, but I'm not sure.



I put the drives back how they were before and Windows 7 booted just fine and my data was still on the external-usb-enclosured drive, so the drives are still working.



Sorry if this has been asked before, I did a lot of honest Googling before I asked this. I don't usually post on sites like this.

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