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Dell XPS 15 (L502X, Early 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.

CAUTION:

Before touching anything inside your computer, ground yourself by

touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal components.