Dell Inspiron 14 N4120, Service Manual

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Processor Module
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Processor Module
WARNING:
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 at dell.com/regulatory_compliance.
CAUTION:
Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).
CAUTION:
To help prevent damage to the system board, remove the main battery
(see "Removing the Battery" on page 15) before working inside the computer.
CAUTION:
Handle components and cards by their edges, and avoid touching pins
and contacts.
Removing the Processor Module
1 Follow the instructions in "Before You Begin" on page 9.
2 Follow the instructions from step 2 to step 15 in "Removing the System
Board" on page 77.
3
Remove the thermal cooling assembly (see "Removing the Thermal
Cooling Assembly" on page 89).
4
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:
To ensure maximum cooling for the processor, do not touch the heat
transfer areas on the processor thermal-cooling assembly. The oils in your skin
can reduce the heat transfer capability of the thermal pads.
CAUTION:
When removing the processor module, pull the module straight up. Be
careful not to bend the pins on the processor module.
5 Lift the processor module from the ZIF socket.