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I have a Vizio Notebook (CN15-A5). It came pre-installed with Windows 8 x64 and is taking advantage of UEFI out of the box. The BIOS (APTOS AMI) is in Secure Boot mode with the OS selected as "Windows 8".
I removed the stock HDD that came with the machine and put my own SSD into it. I created a Windows 8 Pro x64 installation disc on a 4GB USB flash drive formated as FAT32 since its apparently required for UEFI.
When I boot from the USB Win8 installation disc, I get suck when I reach the "Custom: Install Windows only" section. Normally you would see a list of available discs and their partitions, however my entire list is blank.
If I head back to the BIOS and disable Secure Boot and set the OS to "Other OS" and attempt again, I am able to see the list of available discs in the system and can install a copy of Windows 8. Unfortunately, doing it in this method results in an installation with a traditional 350 MB partition + OS partition instead of 4 partitions which is normal for a UEFI setup.
Has anyone run into this problem? I've tried loading defaults in the BIOS and attempting to install via every combination with no luck. Any help would be appreciated.
Thanks for the response. That was part of the issue as well. Even after formatting the source disk as FAT32, the actual internal drives on the machine wouldn't appear in the list of available drives when installing Windows 8. I eventually found a solution: it was to load up the Intel RST drivers from another USB flash drive which then made the internal drives visible to the installer. – Sahas Katta – 2012-12-10T04:23:33.973
1Aah - like the old "F6 to load additional drivers" in Windows 2000/XP. That makes sense. – Karl Roby – 2012-12-13T00:33:44.317