The D: drive is usually a secondary hard drive installed on a computer, often used to hold the restore partition or to provide additional disk storage space.

Optical drive tray will not open? Tips to follow to open or eject stuck or jammed CD, DVD, Optical Drive tray of your computer.

Right-click the DVD drive in the left pane. If your HP laptop has a DVD drive, it is listed in the Computer section. Select "Eject" from the context menu to open the DVD drive on the HP laptop.

When you’re troubleshooting your computer or installing a new operating system, you may need to “boot from a disc” or USB device (like an external hard drive or flash drive).

You can wipe a hard drive and data drives through your Windows 10 Settings, the DBAN utility, and the Disk Utility manager in a Mac's Recovery Mode.