Dell Inspiron 5160 - Manual (Page 34)

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Microprocessor Thermal-Cooling Assembly
Dell™ Inspiron™ 5160 Systems Service Manual
Removing the Microprocessor Thermal-Cooling Assembly
1. Follow the instructions in " Preparing to Work Inside the Computer ."
2. Remove the hinge cover.
3. Remove the keyboard .
4. Remove the button board and the EMI shield .
5. Remove the display pane l and then remove the palm rest .
6. Disconnect the fan power cable from the system board.
7. Loosen in consecutive order the four captive screws, labeled "1" through "4," that secure the microprocessor thermal-cooling assembly to the system
board.
8. Pull up the microprocessor thermal-cooling assembly by the pull-tab to lift the assembly out of the system board.
Installing the Microprocessor Thermal-Cooling Assembly
1. If you are installing a replacement microprocessor thermal-cooling assembly, remove the mylar that covers the thermal grease on the assembly. If you
are installing the assembly that you removed in the previous section:
a. Wipe the thermal grease off of the microprocessor thermal-cooling assembly with a clean paper towel.
CAUTION: Before performing the following procedures, read the safety instructions in your Product Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface.
1 pull-tab
2 fan power-cable connector
3 captive screws (4)
NOTICE: If you are reinstalling the existing microprocessor thermal-cooling assembly, inspect the internal fins of the cooling assembly for dirt and dust
accumulation. Remove dust by blowing air through the cooling assembly.
NOTICE: Before you install the replacement microprocessor thermal-cooling assembly, remove the mylar that covers the thermal grease on the
assembly.