Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal material.
Description
Spare part number
Heat sink (includes replacement thermal material)
456605-001
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 battery (see
Battery on page 39
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 40
)
b.
Optical drive (see
Optical drive on page 46
)
c.
Keyboard (see
Keyboard on page 50
)
d.
Switch cover (see
Switch cover on page 48
)
e.
Speaker (see
Speaker on page 53
)
f.
Display lid switch module (see
Display lid switch module on page 54
)
g.
Display assembly (see
Display assembly on page 55
)
h.
Top cover (see
Top cover on page 60
)
i.
System board (see
System board on page 66
)
Remove the heat sink:
1.
Turn the system board upside down, with the USB connectors toward you.
2.
Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four Phillips PM2.5×10.0
screws
(1)
that secure the heat sink to the system board.
72
Chapter 4 Removal and replacement procedures
Содержание 550 - Notebook PC
Страница 1: ...HP 550 Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 23: ...Computer major components Computer major components 15 ...
Страница 118: ...Where used One screw that secures the system board to the base enclosure 110 Chapter 7 Screw listing ...
Страница 127: ...8 Backup and recovery 119 ...
Страница 136: ...RJ 11 modem Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused 128 Chapter 9 Connector pin assignments ...
Страница 150: ......