Dell Precision M40 Dell Precision Mobile Workstation M40 Service Manual - Page 16

Removing the Microprocessor Module, Replacing the Microprocessor Module

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NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer. Microprocessor Module Removing the Microprocessor Module 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3. Remove the hinge cover. NOTICE: To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the thermal cooling assembly. The oils in your skin reduce the heat transfer capability of the thermal pads. 4. Remove the microprocessor thermal cooling assembly. NOTICE: When removing the microprocessor module, pull the module straight up. Do not bend the pins. 5. Remove the microprocessor module. NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when removing the cam lock screw (see "Microprocessor Cam Lock Screw"). a. Loosen the microprocessor socket cam lock screw. The location of the screw and the rotation direction may vary with the socket manufacturer; look for small icons indicating open and locked positions. Microprocessor Cam Lock Screw (Example) NOTICE: Hold the microprocessor down while turning the cam lock screw to prevent intermittent contact between the cam lock screw and microprocessor. b. Use the microprocessor extraction tool to remove the microprocessor module. Replacing the Microprocessor Module NOTICE: If you received a flash BIOS update program diskette or CD with the replacement microprocessor, you must update the BIOS after replacing the microprocessor module. For instructions on updating or reflashing the BIOS, see the Dell Portable Computer BIOS Update Guide.

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Microprocessor Module
Removing the Microprocessor Module
1.
Follow the instructions in "
Preparing to Work Inside the Computer
."
2.
Remove the
keyboard
.
3.
Remove the
hinge cover
.
4.
Remove the
microprocessor thermal cooling assembly
.
5.
Remove the microprocessor module.
a.
Loosen the microprocessor socket cam lock screw. The location of the screw and the rotation direction may vary with the socket manufacturer;
look for small icons indicating open and locked positions.
Microprocessor Cam Lock Screw (Example)
b.
Use the microprocessor extraction tool to remove the microprocessor module.
Replacing the Microprocessor Module
NOTICE:
Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.
NOTICE:
To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.
NOTICE:
To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the 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. Do not bend the pins.
NOTICE:
To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when removing the cam lock
screw (see "
Microprocessor Cam Lock Screw
").
NOTICE:
Hold the microprocessor down while turning the cam lock screw to prevent intermittent contact between the cam lock screw and
microprocessor.
NOTICE:
If you received a flash BIOS update program diskette or CD with the replacement microprocessor, you must update the BIOS after replacing
the microprocessor module. For instructions on updating or reflashing the BIOS, see the
Dell Portable Computer BIOS Update Guide
.