HP Rp3000 - Point of Sale System Hardware Reference Manual page 24

NOTE: An optical drive is a DVD-ROM or DVD+R/RW drive.
To remove an optical drive:
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as compact discs, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
5. Remove the computer cover.
6. Raise the drive cage to the upright position.
Figure 2-16
7. Disconnect the power cable (1) and data cable (2) from the rear of the optical drive.
Figure 2-17
18 Chapter 2 Hardware Upgrades
Regardless of the power-on state, voltage is always present on the system board as
Rotating the Drive Cage Up
Disconnecting the Optical Drive Power and Data Cables
ENWW