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Installing a 5.25-inch Drive into an External Drive Bay
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as compact discs or USB flash drives, 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. Remove the computer access panel.
6. Remove the front bezel. If you are installing a drive in a bay covered by a bezel blank, remove the
bezel blank. See
Removing Bezel Blanks on page 14 for more information.
7. Install four M3 metric guide screws in the lower holes on each side of the drive (1). HP has provided
four extra M3 metric guide screws on the 5.25-inch drive bracket under the access panel. The M3
metric guide screws are black. Refer to
Installing Additional Drives on page 29 for an illustration of
the extra M3 metric guide screws location.
NOTE: If you are replacing a drive, transfer the guides screws from the old drive to the new one.
CAUTION: Use only 5-mm long screws as guide screws. Longer screws can damage the internal
components of the drive.
Figure 2-24 Installing a 5.25-Inch Drive in a Minitower (top) and Desktop (bottom)
8. Install the drive in the desired drive bay by sliding it all the way into the front of the drive cage until
it locks (2). The drivelock automatically secures the drive in the bay.
ENWW Installing Additional Drives 31