3.
Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 31), and then remove the following components:
a.
Solid-state drive connector board cable (see
Solid-state drive on page 33)
b. Card Reader board cable (see
Card Reader board cable on page 35)
c. Top cover (see
Top cover on page 38)
d. WLAN module (see
WLAN module on page 51)
e. Wireless audio module (see
Wireless audio module on page 49)
f. System board (see
System board on page 55)
NOTE: When replacing the heat sink, be sure to remove the fans from the defective heat sink and
replace them on the replacement heat sink. See
Fan on page 53 for fan removal and replacement
instructions.
Remove the processor heat sink:
1. Following the 1, 2, 3, 4 sequence stamped into the processor heat sink, loosen the four captive
Philllips screws (1) that secure the processor heat sink to the system board.
2. Remove the processor heat sink (2).
NOTE: Due to the adhesive quality of the thermal material located between the processor heat
sink and processor, it may be necessary to move the processor heat sink from side to side to
detach it.
The thermal material must be thoroughly cleaned from the surfaces of the processor heat sink and
the processor each time the processor heat sink is removed. Replacement thermal material is included
with the processor heat sink and system board spare part kits.
NOTE: The following illustration shows the replacement thermal material locations. Thermal paste is
used on the processor (1) and the processor heat sink section (2) that services it.
Component replacement procedures
59
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