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Dell Inspiron M5040 (Mid 2011) User Manual

Page 11

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Before You Begin

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6 Disconnect all attached devices from your computer.

CAUTION:

To help prevent damage to the system board, remove the main battery,

see "Removing the Battery" on page 13, before working inside the computer.

7 Remove the battery. See "Removing the Battery" on page 13.
8 Turn the computer top-side up, open the display, and press the power

button to ground the system board.