If you are among the population of Windows users who noticed that your system no longer recognizes your CD/DVD drive following your upgrade to Windows 10, you are not alone. This tip will walk you through how to get your optical drives to show up in the Device Manager or File Explorer.
Open an elevated Command Prompt. Type command prompt into the Search box, and right-click on the entry. Select the option that reads Run as administrator:
reg.exe add "HKLMSystemCurrentControlSetServicesatapiController0" /f /v EnumDevice1 /t REG_DWORD /d 0x00000001