Lenovo IdeaCentre K330 Replacement Manual page 15

3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. Refer to "Locating connectors on the rear of the computer".
4. Remove the two screws that secure the computer cover at the rear of the
chassis.
5. Slide the computer cover to the rear of the chassis to remove.
Note: For this procedure, it helps to lay the computer on its side.
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Hardware Replacement Guide