I want to use Hyper-V from Windows 8. But the “Turn Windows features on or off” wizard has Hyper-V platform grayed out. Telling me the processor misses SLAT in the tooltip.

My machine has an older Core 2 Duo T5500 processor that supports Hardware Virtualization in the BIOS. But this SLAT is something else and can be detected with Coreinfo.

This showed my processor was laking the SLAT, which is called EPT by intel. By the way the dash means missing.