Dell M4400 Service Manual - Page 12

Processor Module - cooling fan replacement

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Back to Contents Page Processor Module Dell Precision™ Service Manual Removing the Processor Module Replacing the Processor Module Removing the Processor Module CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance. 1. Follow the instructions in Before Working on Your Computer. 2. Remove the bottom of the base assembly (see Removing the Bottom of the Base Assembly). 3. Remove the fan (see Removing the Fan). 4. Remove the processor heat sink (see Removing the Processor Heat Sink). 1 processor module (CPU) NOTICE: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw. 5. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise almost 1/3 turn (until it stops). 1 ZIF-socket cam screw 2 ZIF socket NOTICE: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin can reduce the heat transfer capability of the thermal pads. NOTICE: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module. 6. Lift the processor module from the ZIF socket.

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Back to Contents Page
Processor Module
Dell Precision™ Service Manual
Removing the Processor Module
Replacing the Processor Module
Removing the Processor Module
1.
Follow the instructions in
Before Working on Your Computer
.
2.
Remove the bottom of the base assembly (see
Removing the Bottom of the Base Assembly
).
3.
Remove the fan (see
Removing the Fan
).
4.
Remove the processor heat sink (see
Removing the Processor Heat Sink
).
5.
To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise almost 1/3 turn (until it stops).
6.
Lift the processor module from the ZIF socket.
CAUTION:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.
1
processor module (CPU)
NOTICE:
To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.
1
ZIF-socket cam screw
2
ZIF socket
NOTICE:
To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin can
reduce the heat transfer capability of the thermal pads.
NOTICE:
When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module.