Compaq Presario CQ57-300 Presario CQ57 Notebook PC Maintenance and Service Gui - Page 85

detach it., system board components, it may be necessary to move the heat sink from side to side

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● Display assembly (see Display assembly on page 64) ● System board (see System board on page 71) Remove the fan/heat sink assembly: 1. Disconnect the fan cable from the system board. 2. Turn the system board upside down, with the front toward you. 3. Loosen the captive screws (1) that secure the fan/heat sink assembly to the system board. NOTE: The number of screws used to secure the fan/heat sink assembly to the system board varies by computer model. NOTE: Due to the adhesive quality of the thermal material located between the heat sink and system board components, it may be necessary to move the heat sink from side to side to detach it. 4. Remove the fan and heat sink (2). NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an AMD processor. Component replacement procedures 77

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●
Display assembly (see
Display assembly
on page
64
)
●
System board (see
System board
on page
71
)
Remove the fan/heat sink assembly:
1.
Disconnect the fan cable from the system board.
2.
Turn the system board upside down, with the front toward you.
3.
Loosen the captive screws
(1)
that secure the fan/heat sink assembly to the system board.
NOTE:
The number of screws used to secure the fan/heat sink assembly to the system board
varies by computer model.
NOTE:
Due to the adhesive quality of the thermal material located between the heat sink and
system board components, it may be necessary to move the heat sink from side to side to
detach it.
4.
Remove the fan and heat sink
(2)
.
NOTE:
The following illustration shows the fan/heat sink assembly removal process on a computer
model equipped with an AMD processor.
Component replacement procedures
77