Dell M90 Guia do Utilizador descarregar pdf (Página 47)

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 Subwoofer

DellPrecision™M90MobileWorkstationServiceManual

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If you ordered a subwoofer with your computer, it is already installed. To remove and replace a subwoofer:

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1. Follow the instructions in Before Working Inside Your Computer.

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2. Remove the optical drive (see Optical Drive).

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3. Remove the hinge cover (see Removing the Hinge Cover).

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4. Remove the keyboard (see Keyboard).

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5. Remove the display assembly (see Removing the Display Assembly).

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6. Remove the palm rest (see Removing the Palm Rest).

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7. Loosen the two captive screws that secure the subwoofer in place.

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8. Disconnect the subwoofer cable connector from the connector on the system board.

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CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such

as the back panel) on the computer.

NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you

begin working inside the computer.

subwoofer

subwoofer cable connector

connector on system board

captive screws (2)

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