Hi, I've a got a problem I can't seem to solve. I have a setup with 2 SSD and one HDD. I installed Windows 8.1 Preview on my first SSD which is rightly detected, however it detect my second SSD Samsung 840 Pro as a regular HDD instead of a SSD which is problematic in regard to the optimizer. I've been through this forum and saw someone who had a similar problem to me and fixed it by using the winsat command in the powershell admin console. I did it but with no effect. Maybe it's because the other user had problem with its OS ssd and not a second one. Would any of you have an idea about what to do ?