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Heat sink
Description Spare part number
Heat sink (includes replacement thermal material) 468102-001
Before removing the heat sink, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off, turn the computer on, and then
shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 29).
5.
Remove the keyboard (see
Keyboard on page 35).
Remove the heat sink:
1.
In the 1, 2, 3, 4, 5, 6, 7, 8 sequence stamped into the heat sink, remove the following screws:
(1) Four Phillips PM2.5×3.0 screws
(2) Four Phillips PM2.0×3.0 screws
NOTE: When removing and replacing the heat sink, inspect the thermal pads (3) for damage. If
the pads are damaged, replace them.
2. Remove the heat sink (4) by sliding it to the right until it clears the top cover.
NOTE: The thermal material must be thoroughly cleaned from the processor and Northbridge chip
(1) and the locations on the bottom of the heat sink (2) each time the heat sink is removed. Thermal
material is included with all heat sink and system board spare part kits.
Component replacement procedures 39