HP Presario CQ43-300 Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 81

System board, Disconnect the hard drive connector cable from the system board see

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Reverse this procedure to reassemble and install the display assembly. System board NOTE: The system board spare part kit includes replacement thermal material. Replacement thermal material is also available in the Thermal Material Kit, spare part numbers 650277-001 (for use only with computer models equipped with an AMD processor) and 646135-001 (for use only with computer models equipped with an Intel processor). Description Spare part number For use only with computer models equipped with an AMD E450 1.65-GHz processor (dual core, 18 657323-001 W) and a graphics subsystem with UMA video memory For use only with computer models equipped with an AMD E300 1.30-GHz processor (dual core, 18 657324-001 W) and a graphics subsystem with UMA video memory For use only with computer models equipped with an AMD E240 1.50-GHz processor (single core, 18 W) and a graphics subsystem with UMA video memory 647322-001 System board for use only with computer models equipped with an Intel Core i5 or i3 processor and 646179-001 a graphics subsystem with discrete video memory System board for use only with computer models equipped with an Intel Core i5 or i3 processor and 646177-001 a graphics subsystem with UMA video memory For use only with computer models equipped with an Intel Pentium processor and a graphics subsystem with discrete video memory 646176-001 For use only with computer models equipped with an Intel Pentium processor and a graphics subsystem with UMA video memory 646175-001 For use only with computer models equipped with an Intel Celeron processor and a graphics subsystem with UMA video memory 646174-001 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 41). 5. Remove the WLAN module (see WLAN module on page 42). 6. Disconnect the hard drive connector cable from the system board (see Hard drive on page 46). 7. Remove the following components: ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) Component replacement procedures 73

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Reverse this procedure to reassemble and install the display assembly.
System board
NOTE:
The system board spare part kit includes replacement thermal material.
Replacement thermal material is also available in the Thermal Material Kit, spare part numbers
650277-001 (for use only with computer models equipped with an AMD processor) and 646135-001
(for use only with computer models equipped with an Intel processor).
Description
Spare part number
For use only with computer models equipped with an AMD E450 1.65-GHz processor (dual core, 18
W) and a graphics subsystem with UMA video memory
657323-001
For use only with computer models equipped with an AMD E300 1.30-GHz processor (dual core, 18
W) and a graphics subsystem with UMA video memory
657324-001
For use only with computer models equipped with an AMD E240 1.50-GHz processor (single core,
18 W) and a graphics subsystem with UMA video memory
647322-001
System board for use only with computer models equipped with an Intel Core i5 or i3 processor and
a graphics subsystem with discrete video memory
646179-001
System board for use only with computer models equipped with an Intel Core i5 or i3 processor and
a graphics subsystem with UMA video memory
646177-001
For use only with computer models equipped with an Intel Pentium processor and a graphics
subsystem with discrete video memory
646176-001
For use only with computer models equipped with an Intel Pentium processor and a graphics
subsystem with UMA video memory
646175-001
For use only with computer models equipped with an Intel Celeron processor and a graphics
subsystem with UMA video memory
646174-001
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
41
).
5.
Remove the WLAN module (see
WLAN module
on page
42
).
6.
Disconnect the hard drive connector cable from the system board (see
Hard drive
on page
46
).
7.
Remove the following components:
●
Keyboard (see
Keyboard
on page
51
)
●
Top cover (see
Top cover
on page
54
)
Component replacement procedures
73