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So I've been spending tons of hours on this issue, nothing has been able to give me an exact result and I don't have a ton more time to spend on this issue.

I have a Lenovo Y580 with a 64gb SSD and a 750gb HDD. Currently, I have Ubuntu installed on the HDD and nothing on the SSD. All of my user files on both Ubuntu and Windows 7 and Lenovo drivers have been backed up, so I don't need to worry about that.

My end goal is to be able to dual boot from the SSD, and have my Windows 7 and Ubuntu OS files located there and also some of the most used programs (Office). My HDD will hold all of my user data files, programs, etc.

Currently, I have 4 partitions showing up in gparted.

  1. /dev/sda (59.63 gb)
    • unallocated
  2. /dev/sdb (698.64 gb)
    • /sdb1: fat32, 487mb, msftdata
    • /sdb2: ext4, 667.53 gb,
    • /sdb3: linux-swap, 7.90 gb

However, sda doesn't show up anywhere outside of Ubuntu, i.e. in the BIOS settings or boot selection menu before loading the OS.

I'm trying to install windows 7 straight to the SSD, and then install Ubuntu after that. However the Windows 7 installer gives me an error when I try to install in that location.

So my question is, what do I need to do to prepare my SSD for it to be accessible by the Windows 7 installer? Is the problem in the partitioning of the drive, or does it not have the proper drivers to access it? I don't want to spend anymore time fuddling around until I have a clearer picture of what is actually going on with the dual-boot setup.

Any information you can give me regarding my situation will be much appreciated, thank you.

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closed as off-topic by Eric Carvalho, karel, Fabby, bodhi.zazen, the_Seppi Apr 16 at 22:14

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – Eric Carvalho, karel, Fabby
If this question can be reworded to fit the rules in the help center, please edit the question.

I suggest to make sure if your bios configuration have raid and AHCI mode enabled –  user258653 Mar 16 '14 at 1:43
Please edit your question and show the output of the following commands in your existing Ubuntu installation: ls -d /sys/firmware/efi and parted -l /dev/sdb. Any answer given without that output (or equivalent information from elsewhere) will be making assumptions that could dig you into trouble. –  Rod Smith Mar 16 '14 at 13:41