IBM pSeries 7311 D10 Service Manual page 82

c. While holding the bezel extension out, push the plastic cover latch out of the bezel hook, as shown
in the following illustration. This action allows the bezel to be removed.
d. On the opposite side of the cassette (cover side), push the cover latch to release the bezel.
66 Eserver pSeries 7311 Model D10 and Model D20 Service Guide
1 Bezel Extension
2 Plastic Cover Latch in Bezel Hook
1 Cover Side
2 Cover Latch