Removing The Heat Sink; Prerequisites; Procedure - Dell Inspiron 15-7557 Service Manual

Removing the heat sink

WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your
computer, follow the instructions in
computer. For more safety best practices, see the Regulatory
Compliance home page at www.dell.com/regulatory_compliance.
WARNING: The heat sink may become hot during normal operation.
Allow sufficient time for the heat sink to cool before you touch it.
CAUTION: For maximum cooling of the processor, do not touch the
heat transfer areas on the heat sink. The oils in your skin can reduce
the heat transfer capability of the thermal grease.

Prerequisites

1 Remove the
2 Remove the battery.
3 Follow the procedure from step 1 to step 3 in
4 Remove the
5 Remove the
6 Remove the keyboard.
7 Follow the procedure from step 1 to step 7 in
8 Remove the
9 Remove the fans.
10 Follow the procedure from step 1 to step 7 in
board.

Procedure

NOTE: The appearance of the heat sink on your computer may differ
from the image shown in this chapter.
1 Place the system board on a clean and flat surface.
2 In sequential order (indicated on the heat-sink), loosen the captive
screws that secure the heat sink to the system board.
computer. After working inside your
base cover.
memory modules.
wireless card.
I/O board.
After working inside your
"Removing the hard
"Removing the palm
"Removing the system
drive".
rest".
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