System Board - HP COMPAQ PRESARIO G42 Maintenance And Service Manual

System board

Description
System board for use in models with discrete graphics subsystem
System board for use in models with Unified Memory Architecture (UMA) graphics subsystem
System board for use in models with discrete graphics subsystem and HDMI card reader
System board for use in models with UMA graphics subsystem and HDMI card reader
System board for use in models with UMA graphics subsystem memory, Intel® GL40 chipset, and
HDMI card reader
For use in models with UMA graphics subsystem memory,
For use in models with DSC HD5430 MDM CR
For use in models with DSC HD5430
For use in models with UMA graphics subsystem memory,
For use in models with HD545V DSC
For use in models with HD545V DSC CR
For use in models with discrete graphics subsystem HM55 HD5430/1G
For use in models with discrete graphics subsystem HDMI HD5430/1G
For use in models with discrete graphics subsystem with HM55 HD545V
For use in models with discrete graphics subsystem with HM55 HDMI HD545V
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:
●
RTC battery (see
●
Memory modules (see
●
WLAN module (see
●
Modem module (see
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.
80 Chapter 4 Removal and replacement procedures
RTC battery on page 85)
Memory module on page
WLAN module on page
Modem module on page
54)
51)
65)
Spare part number
595181-001
595182-001
595183-001
595184-001
605140-001
592808-001
592811-001
592810-001
592809-001
611554-001
611555-001
608823–001
608824–001
615577–001
615578–001