PJO688, I’m sorry to hear that you are having issues with the installation of the HDD and your NUC.
This is the list of peripherals for the NUC you are trying to use.
- You can try to do a BIOS update to the next available version and test the hard drive again.
- Please provide me the model number of the HDDs you are trying to use.
If the issue persists you can contact and if you need to replace your product, please get in touch with our Warranty Department so they can help you: http://www.intel.com/p/en_US/support/contactsupport