Dell OptiPlex 740 - Manual (Page 56)

3. Pull up on the drive release latch and slide the media card reader towards the back of the computer. Then, lift up to remove the media card reader from
the computer.
4. Disconnect the media card reader cable from the back of the media card reader.
Installing the Media Card Reader
1. If you are installing a new media card reader:
a. Use a small flat-edge screw driver on the back side of the drive-panel insert to gently pop off the insert.
b. Remove the four shoulder screws from the drive-panel insert.
2. If you are replacing an existing media card reader:
Remove the four shoulder screws from the existing media card reader.
3. Insert the four shoulder screws into the sides of the new media card reader and tighten them.
4. Attach the media card reader cable to the media card reader.
5. Connect the card reader cable to the USB1 connector on the system board (see System Board Components for the connector location).
6. Align the shoulder screws with the screw guides numbered as 2, and slide the media card reader forward into the bay until it clicks into place.
1 media card reader 2 drive release latch 3 media card reader cable