HP G62-400 HP G62 Notebook PC - Maintenance and Service Guide - Page 84

System board, Remove the following components

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System board NOTE: The system board spare part kit includes UMA or discrete graphics subsystem memory and replacement thermal material. Description HD UMA system board with card reader HD 5470/512 MB discrete system board with card reader HD 5470/1 GB discrete system board with card reader HD 5470/ 512 MB discrete system board with card reader (for model 1.1 only) HD 5470/1 GB discrete system board with card reader (for model 1.1 only) Spare part number 605903-001 605902-001 608340-001 615381-001 615382-001 When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (see Memory module on page 50) ● WLAN module (see WLAN module on page 47) ● Modem module (see Modem module on page 63) Before removing the system board: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on the computer, 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. WLAN module (see WLAN module on page 47) d. Memory module (see Memory module on page 50) e. Keyboard (see Keyboard on page 53) f. Top cover (see Top cover on page 56) g. Modem module (see Modem module on page 63) h. Display assembly (see Display assembly on page 68) 74 Chapter 4 Removal and replacement procedures

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System board
NOTE:
The system board spare part kit includes UMA or discrete graphics subsystem memory and
replacement thermal material.
Description
Spare part number
HD UMA system board with card reader
605903-001
HD 5470/512 MB discrete system board with card reader
605902-001
HD 5470/1 GB discrete system board with card reader
608340-001
HD 5470/ 512 MB discrete system board with card reader (for model 1.1 only)
615381-001
HD 5470/1 GB discrete system board with card reader (for model 1.1 only)
615382-001
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory modules (see
Memory module
on page
50
)
●
WLAN module (see
WLAN module
on page
47
)
●
Modem module (see
Modem module
on page
63
)
Before removing the system board:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
41
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
42
)
b.
Optical drive (see
Optical drive
on page
45
)
c.
WLAN module (see
WLAN module
on page
47
)
d.
Memory module (see
Memory module
on page
50
)
e.
Keyboard (see
Keyboard
on page
53
)
f.
Top cover (see
Top cover
on page
56
)
g.
Modem module (see
Modem module
on page
63
)
h.
Display assembly (see
Display assembly
on page
68
)
74
Chapter 4
Removal and replacement procedures