Dell D800 - Latitude 15.4" Notebook Руководство по эксплуатации - Страница 10

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Microprocessor Module

Dell™ Latitude™ D800 Service Manual

Removing the Microprocessor Module

CAUTION:

Before performing the following procedures, read the safety instructions in your System 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.

1. Follow the instructions in

"Preparing to Work Inside the

2. Remove the keyboard.

3. Remove the fan.

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.

4. Remove the

microprocessor thermal-cooling

NOTICE:

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

5. 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.

1 screwdriver

(perpendicular to

microprocessor)

2 ZIF-socket cam screw

3 ZIF socket

4 pin-1 corner

NOTE:

The ZIF-socket cam screw secures the microprocessor to the system board. Take note of the arrow on the ZIF-socket cam screw, which indicates

the direction to turn the cam screw.

Computer."

assembly.