HP Presario CQ58-a00 HP 2000 Notebook PC Compaq Presario CQ58 Notebook PC - Ma - Page 86

System board, USB board see

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System board NOTE: On models with Intel processors, you can remove the processor from the system board. The processor is included with the system board in AMD models and cannot be removed. NOTE: The system board spare part kit includes replacement thermal materials (including a thermal pad). Description System board for use only in models with an AMD E2-1800 processor System board for use only in models with an AMD E1-1200 processor System board for use only in models with an Intel Core i5 or i3 processor System board for use only in models with an Intel Pentium or Celeron processor Thermal pad (for use with all models) Spare part number 688277-001 688278-001 685107-001 685783-001 651046-001 Before removing the system board, 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 32). 5. Remove the following components: ● WLAN module (see WLAN module on page 41) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 55) ● Speakers (see Speakers on page 63) ● USB board (see USB board on page 65) ● Power connector cable (see Power connector cable on page 67) ● Display assembly (see Display assembly on page 69) NOTE: 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 module (see Memory module on page 44) ● RTC battery (see RTC battery on page 48) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 83) ● Processor (see Processor on page 87) 78 Chapter 4 Removal and replacement procedures

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System board
NOTE:
On models with Intel processors, you can remove the processor from the system board. The
processor is included with the system board in AMD models and cannot be removed.
NOTE:
The system board spare part kit includes replacement thermal materials (including a thermal
pad).
Description
Spare part number
System board for use only in models with an AMD E2-1800 processor
688277-001
System board for use only in models with an AMD E1-1200 processor
688278-001
System board for use only in models with an Intel Core i5 or i3 processor
685107-001
System board for use only in models with an Intel Pentium or Celeron processor
685783-001
Thermal pad (for use with all models)
651046-001
Before removing the system board, 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
32
).
5.
Remove the following components:
●
WLAN module (see
WLAN module
on page
41
)
●
Hard drive (see
Hard drive
on page
46
)
●
Keyboard (see
Keyboard
on page
51
)
●
Top cover (see
Top cover
on page
55
)
●
Speakers (see
Speakers
on page
63
)
●
USB board (see
USB board
on page
65
)
●
Power connector cable (see
Power connector cable
on page
67
)
●
Display assembly (see
Display assembly
on page
69
)
NOTE:
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 module (see
Memory module
on page
44
)
●
RTC battery (see
RTC battery
on page
48
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
83
)
●
Processor (see
Processor
on page
87
)
78
Chapter 4
Removal and replacement procedures