Dell OptiPlex 745 - Manual (Page 135)

4. If you are removing a floppy drive, pull up the cable release tab to unlock it.
5. Disconnect the data cable from the back of the floppy drive or Media Card Reader.
6. If you are removing a floppy drive, pull up the cable release tab to unlock it.
7. Disconnect the data cable from the system board.
8. Pull up on the drive release latch and slide the floppy drive or Media Card Reader towards the back of the computer. Then lift up to remove the drive or
Media Card Reader from the computer.
Installing a Floppy Drive or Media Card Reader
1. If you are replacing a drive, remove the floppy drive or Media Card Reader (see Floppy Drive and Media Card Reader ).
2. Align the screws on the drive or Media Card Reader with the bracket rails in the computer, and gently position the drive until it clicks into place.
1 cable release tab
2 data-cable edge connector
NOTE: In the event that the replacement or new floppy drive does not have the shoulder screws, use the screws located within the drive-panel insert.
1 floppy drive or Media Card Reader
2 screws (3)
3 bracket rails (3)