Dell Vostro 3250 Owner's Manual page 11

Figure 6.
4. Follow the steps to remove the optical drive:
a. Press the blue tab to loosen the optical drive [1].
b. Slide the optical drive [2] and lift it up to remove it from the chassis [3].
Figure 7.
5. Follow the steps to remove the bracket from the optical drive.
a. Remove the screws that secure the bracket to the optical drive.
b. Slide the optical drive from the bracket.
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