In many slim laptops, this drive is held in by a single screw on the bottom. If the drive is intermittent, it may have physically wiggled loose from its SATA connector.
This is a common fix for "missing" drives. You may need to remove "UpperFilters" and "LowerFilters" from the Windows Registry. Detailed instructions for this can be found on the Microsoft Support Page. : hl-dt-st dvdram guc0n driver
: For Linux, many DVD drives are supported out of the box, using generic drivers like sr_mod (part of the Linux kernel). In many slim laptops, this drive is held
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4D36E965-E325-11CE-BFC1-08002BE10318 UpperFilters LowerFilters in the right pane and delete them. Restart your computer. Device Manager Refresh: Right-click the button and select Device Manager DVD/CD-ROM drives , right-click the HL-DT-ST DVDRAM GUC0N , and select Uninstall device You may need to remove "UpperFilters" and "LowerFilters"