System Board - HP ENVY 14 Maintenance And Service Manual

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 number 634366-001.
Description
System board equipped with Intel 6 series express chipset, Intel HM65 PCH, Radeon HD 6630M
graphics subsystem with 1024-MB of discrete video memory
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 cover and battery (see
5. Remove the hard drive (see
6. Remove the memory module/wireless module compartment cover (see
on page
7. Disconnect the battery charger board ribbon cable from the system board (see
board on page
8. Remove the top cover (see
9. Disconnect the optical drive cable from the system board (see
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:
●
WLAN module (see
●
RTC battery (see
●
Memory module (see
●
Fan/heat sink assembly (see
●
Processor (see
Remove the system board:
1. Release the ZIF connector to which the audio/USB board cable is attached, and then disconnect
the cable (1) from the system board.
62 Chapter 4 Removal and replacement procedures
Mass storage device on page
41).
47).
Top cover on page
WLAN module on page
RTC battery on page
Memory module on page
Fan/heat sink assembly on page
Processor on page
Battery on page
49).
41)
44)
46)
67)
Spare part number
654173-001
36).
38).
WLAN module
Battery connector
Optical drive on page
65)
58).