Dell OptiPlex 390 (Mid 2011) - Manual (Page 49)

Drive Cage
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Removing the Drive Cage
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Remove the front bezel .
4. Remove the data cable and power cable from the back of the optical drive.
5. Slide the drive-cage handle toward the back of the computer into the
unlocked position.
6. Rotate the drive cage upward using the handle and lift the drive cage free
off the chassis.
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