Checked to see if 'Safe Boot' was enabled: System doesn't have this feature Put BiOS in AHCI mode like I was supposed to Plugged SSD into the lowest numerical SATA Port #1 Unplugged Every drive but the install SSD while installing Windows Updated SSD Firmware through SanDisk Software Let me get out of the way some of the things I have done or not yet tried to speed up the dialogue: I have been researching this topic and trying to make it work for the last 3 days and I am at my whits end. I can get the installation going on either USB flash drive or disk, but every time it tells me it needs to reboot to continue and it does not boot, It just restarts says to insert a bootable device every time. I built this machine and installed Windows on it about 10 months ago. I am trying to upgrade my Custom System to make the SSD I just bought a the Boot drive using the same installation media for my legit activated copy of Windows I am using my HDD right now. SSD drive trying to install Windows on = SanDiskUltra II 480GB