HP dc72 Hardware Reference Guide - dc7700 SFF - Page 34

Installing an Optical Drive into the 5.25-inch Drive Bay, CAUTION

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10. Press the green drive retainer latch (1) located on the side of the drive to disengage the drive from the drive cage. While pressing the drive retainer latch, slide the drive forward and lift it up and out of the drive cage (2). Figure 2-17 Removing the Optical Drive NOTE To replace the optical drive, reverse the removal procedure. When replacing a drive, transfer the four guide screws from the old drive to the new one. Installing an Optical Drive into the 5.25-inch Drive Bay To install an optional 5.25-inch optical drive: 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as diskettes or 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 Regardless of the power-on state, voltage is always present on the system board as 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. If the computer is on a stand, remove the computer from the stand. 6. Remove the computer cover. CAUTION After removing the computer cover, look for the LED on the system board between the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding. 28 Chapter 2 Hardware Upgrades ENWW

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10.
Press the green drive retainer latch (1) located on the side of the drive to disengage the drive from
the drive cage. While pressing the drive retainer latch, slide the drive forward and lift it up and out
of the drive cage (2).
Figure 2-17
Removing the Optical Drive
NOTE
To replace the optical drive, reverse the removal procedure. When replacing a drive,
transfer the four guide screws from the old drive to the new one.
Installing an Optical Drive into the 5.25-inch Drive Bay
To install an optional 5.25-inch optical drive:
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as diskettes or 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
Regardless of the power-on state, voltage is always present on the system
board as 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.
If the computer is on a stand, remove the computer from the stand.
6.
Remove the computer cover.
CAUTION
After removing the computer cover, look for the LED on the system board
between the DIMM sockets. If the LED is illuminated, the system still has power. Turn off
the computer and remove the power cord before proceeding.
28
Chapter 2
Hardware Upgrades
ENWW