HP Compaq NC6110 Hardware And Software Manual page 122

Hardware Components
Removing an Optical Disc (Without Power)
✎
The following illustrations identify the standard external features
included in most notebook models. Refer to the illustration that
most closely matches your notebook model.
If power is unavailable:
1. Insert the end of a paper clip into the release access in the
front bezel of the drive.
Hardware and Software Guide 5–11