Installing A Drive Into The 3.5-Inch External Drive Bay - Compaq dx2390 Microtower Hardware Reference Manual

b. If you are removing a media card reader, disconnect the USB cable from the system board.
Figure 2-23
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 2-24

Installing a Drive into the 3.5-inch External Drive Bay

The 3.5-inch external drive bay on the front of the computer can be configured with a media card reader
or a diskette 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.
30 Chapter 2 Hardware Upgrades
Disconnecting the Media Card Reader Cable
Removing a 3.5-inch Device (Media Card Reader Shown)