Dell Inspiron 5585 Service Manual page 16

NOTE: The following steps are applicable only if you want to further remove other components from your computer.
5. Peel the tape that secures the battery cable to the system board.
6. Peel the tape that secures the battery cable connection to the system board.
7. Disconnect the battery cable from the system board.
8. Press and hold the power button for five seconds to ground the computer and drain the flea power.
16 Removing the base cover