Dell XPS M1730 Service Manual page 16

2 Turn the computer over, loosen the two captive screws on the hard drive
cover, and then remove the cover.
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3 Loosen the four captive screws on the hard drive cage and then lift the
pull-tab to flip the cage towards the center of the computer so that the
SATA cables and connectors are accessible.
1
16
Hard Drive
1 captive screws (2)