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HP dx7400 - Microtower PC Hardware Reference Guide

HP dx7400 - Microtower PC
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Removing a 5.25" 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 the computer, and disconnect any external
devices.
WARNING! When the computer is plugged into an AC power source, voltage is always applied
to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces,
be sure to disconnect the power cord from the wall outlet and allow the internal system components
to cool before touching.
5. Remove the access panel and front bezel. Refer to Removing the Computer Access Panel and
Front Bezel on page 5.
6. Disconnect the power and data cables from the back of the drive.
7. Remove the two retainer screws that secure the drive to the bay (1) then slide the drive forward
and out of the bay (2).
Figure 2-10 Removing a 5.25” External Drive
To install a drive, reverse the removal procedure. Be sure to install a guide screw on the front right side
of a new drive. The guide screw helps secure the drive in place.
NOTE: If you are installing a drive in the bottom 5.25" drive bay, remove the metal shield that covers
the bay by pressing inward on the silver tab on the left side of the chassis then pulling the shield out
from the front of the chassis.
There are a total of eight extra guide/retainer screws on the front of the chassis behind the bezel. Four
have 6-32 standard threads and four have M3 metric threads. Standard screws are used for hard drives
and have a silver finish. Metric screws are used for all other drives and have a black finish. Be sure to
install the appropriate guide screws into the drive.
ENWW Replacing or Upgrading a Drive 15

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HP dx7400 - Microtower PC Specifications

General IconGeneral
BrandHP
Modeldx7400 - Microtower PC
CategoryDesktop
LanguageEnglish

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