3.
Lift the connector
(3)
out of the unit.
Reverse this procedure to install the system board and the battery connector.
Heat sink
All heat sink spare part kits include replacement thermal material.
Description
Spare part number
Heat sink for use in computers with UMA graphics
683784-001
Heat sink for use in computers with discrete graphics
683783-001
Before removing the heat sink, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, 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 following components:
a.
Battery (see
Battery on page 38
)
b.
Bottom door (see
Bottom door on page 39
).
c.
Hard drive (see
Hard drive on page 43
)
d.
Optical drive (see
Optical drive on page 40
)
e.
Memory (see
Memory modules on page 45
)
f.
WLAN module (see
WLAN/Bluetooth combo card on page 47
)
Component replacement procedures
69
Содержание ProBook 4445s
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Страница 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
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