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HP dx7400 - Microtower PC - Removing a 3.5 Media Card Reader or Diskette Drive

HP dx7400 - Microtower PC
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Removing a 3.5" Media Card Reader or Diskette Drive
The 3.5" external drive bay may be populated with a diskette drive or a media card reader. The removal
procedure is the same for both devices.
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. If the device is a media card reader, disconnect the internal USB cable from the system board. If
the device is a diskette drive, 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 2-11 Removing a 3.5” Device (Media Card Reader Shown)
To install a drive, reverse the removal procedure. Refer to the following table for proper retainer and
guide screw locations.
Device Retainer Screws Guide Screws
Diskette Drive 2 (labeled “FDD” on chassis) 1 (front left side of drive)
Media Card Reader 2 (labeled “CR” on chassis) none
16 Chapter 2 Hardware Upgrades ENWW

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