Dell PP14L Anleitung zur Fehlerbehebung PDF herunterladen (Seite 42)

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 Microprocessor Module

Dell™Inspiron™9300ServiceManual

Removing the Microprocessor Module

Replacing the Microprocessor Module

Removing the Microprocessor Module

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

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2. Remove the hinge cover.

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3. Remove the keyboard.

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4. Remove the display assembly.

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5. Remove the palm rest.

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6. Remove the microprocessor thermal-cooling assembly.

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7. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.

CAUTION: Before you begin the following procedure, see 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: Do not touch the processor die. Press and hold the microprocessor down on the substrate on which the die is mounted while turning the cam

screw to prevent intermittent contact between the cam screw and microprocessor.

NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when turning the cam screw.

NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working inside the computer.

NOTICE: To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the microprocessor thermal-cooling assembly. The

oils in your skin reduce the heat transfer capability of the thermal pads.

NOTICE: When removing the microprocessor module, pull the module straight up. Be careful not to bend the pins on the microprocessor module.

ZIF socket

screwdriver (perpendicular

to microprocessor)

ZIF-socket cam screw

pin-1 corner

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 59 60

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