Dell Inspiron 15 (N5040, Mid 2011) - Manual (Page 49)

Processor Module (For Inspiron 15-N5050/15-N5040 Only) 49
13
Processor Module (For Inspiron
15-N5050/15-N5040 Only)
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
www.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 13) 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 Remove the battery (see "Removing the Battery" on page 13).
3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest
Assembly" on page 29.
4 Remove the thermal cooling assembly (see "Removing the Thermal
Cooling Assembly" on page 45).
5 To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the
ZIF-socket cam screw counterclockwise until it comes to 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.