Installing A 5.25-Inch Or 3.5-Inch Drive Into An External Drive Bay - HP dc7900 - Convertible Minitower PC Hardware Reference Manual

Installing a 5.25-inch or 3.5-inch Drive into an External Drive Bay

NOTE: A 3.5-inch drive may be a diskette drive or a media card reader. A 5.25-inch drive may be an
optical drive or a media card reader with a 5.25-inch adapter kit attached.
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:
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 access panel.
6. If you are installing a drive in a bay covered by a bezel blank, remove the front bezel then remove
the bezel blank. See
7. Install two guide screws in the lower holes on each side of the drive (1).
NOTE:
extra metric guide screws are provided on the diskette drive bracket under the access panel. The
HP-supplied metric screws are black. Refer to
illustration of the extra M3 metric guide screws location.
If you are replacing a drive, transfer the guides screws from the old drive to the new one.
Figure 2-26
34 Chapter 2 Hardware Upgrades
Regardless of the power-on state, voltage is always present on the system board as
Removing Bezel Blanks on page 15
Optical drives, diskette drives, and media card readers use M3 metric guide screws. Eight
Installing a 5.25-Inch Drive in a Minitower (top) and Desktop (bottom)
for more information.
Installing Additional Drives on page 31 for an
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