Some details Windows 7 Pro upgraded to Windows 10 Pro (activated since release day) Vostro 3750 i7 2820QM 16GB Latest bios with all hidden options enabled Crucial M550 512GB MU02 Firmware The other day whilst messing the boot partition got restored back to the windows 7 boot partition anyway i was going to do a clean install at some point so did it then I have done a few of my machines and all have activated just fine on the clean install for some reason this didnt Clearly something i did voided the activation here's everything i did anyone have any idea which one voided the activation as i dont want to run into this again Bios options changed Enable UEFI Boot (windows setup locked up so Disabled it again) (Unhidden Option) Enhanced Secure Erased SSD then straight after Secure Erased Temp Set HDD Password to stop Windows 10 from encrypting my hdd with TCG Opal on setup Disabled Quickboot then re enabled Later (Unhidden Option) Enabled SR-IOV then disabled after activation failed (Unhidden Option) The fresh install point blank refused to activate I didnt want to go trashing my SSD's nand when this fresh install was just fine apart from the activation Pulled hdd Fitted 320gb Mechanical HDD Restored Win7 Ghost image Upgraded that to Win10 It activated Fine Shut down PC Fitted SSD Back in The second it fired up it pulled he activation from Microsoft.. Its a touch worrying that i can loose activation from such simple changes
Pretty sure windows is bound to the motherboard not the HDD or SSD anyways. Last I checked this was the way windows worked.