Dell Dimension C7565 Owner's Manual page 86

3 Disconnect the power and data cables from the back of the floppy drive.
NOTE:
If you are installing a PCI Express x16 card, this card may cover the floppy-drive connectors.
Remove this card before connecting the floppy-drive cables
4 Remove the floppy drive by sliding and holding the drive release latch downward. Then, slide
the drive out of the computer.
86
Removing and Installing Parts
power cable
data cable
.