The problem is that when I boot from this new SanDisk USB 3.0 pen drive I get to stage when Windows 7 installer prompts user to create partitions and specify one to install Windows to.

I am trying to do a clean fresh installation of Windows 7 64bit on Seagate 250GB unpartitioned/unformatted SATA2 hard drive. I recently bought a couple of SanDisk Extreme 16GB USB 3.0 CZ80 flash pen drives in retail packs and I am having issue with not being able to deploy/install Windows 7 64bit from them ever since. **Just to note that i am trying to install using usb 2.0 and 3.0 ports onboard, no other extra cards or anything! Also, it’s clean installation on a single disk, set as primary, formatted and with no problems or various partitions on it! Also tried it on other PC’s and still not working! Linux installations work fine though… Is this a general USB 3.0 problem, so i should just stick to my USB 2.0 or a Sandisk extreme problem? Or is it even just my own memory stick that has a problem? I am sure all these are not the problem, not the applications i use nor the windows setup files, because i repeat the same procedure with any of the other usb 2.0 i have and all work fine. Even tried various format types for the usb. Tried windows 7 32&64 bit, windows 8 32&64 bit, tried diskpart to create partitions… Nothing works. The problem is that with this new USB no windows installation can create / find partitions during the setup. Started with various brands before, with capacities of 8,16,32GB USB 2.0 and recently moved on to this 64GB USB 3.0.įor my setup i use apps like Rufus, universal usb installer, yumi, even the windows 7 usb tool.

The thing is that i use to have my windows installation on USB instead of using CD/DVD’s along with all the apps + drivers i need for my pc. I recently purchased a Sandisk Extreme USB 3.0 and i am really happy with it.

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