This past week has been frustrating for me. I had installed the newest BIOS for my XPS 14, A14, and some new drivers when suddenly it stopped reading the boot drive. After fiddling with some BIOS settings, I managed to get into Windows 8 repair and reinstalled Windows and reverted back to A12. Intel Rapid Storage Technology was not accelerating my hard drive, so I re-enabled acceleration but accidentally set it to use the entire 32GB SSD drive. As a result, Intel Rapid Start Technology was disabled.
I changed Rapid Storage to use 18.6GB of the SSD drive, but Rapid Start is still disabled. After reading some posts I assume it has to do with disk partitions, which I'm not too familiar with. The SSD currently has 2 partitions, an 8GB healthy partition and a 3.2GB unallocated partition. The SATA is set to Smart Response, and Intel Rapid Start is not greyed out, but I still get the error message. Any help on enabling it would be greatly appreciated.