One recognized, you can re-enable Secure Boot and enjoy

Please keep in mind that Windows 8 and 8.1 use SECURE Boot, which must be disabled for your PC to recognize and "see" the drive

Consult your specific PC manufacture's manual for steps to disable and re-enable Secure Boot .

This drive is working perfectly, quite loud when running a disc though and when first booting the system, gotta love old technology.