HP HP 242 G2, Руководство по техническому обслуживанию и ремонту, Страница: 69 / 125

System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System board for use in models without Windows 8 and with 2-GB of discrete graphics memory 743705-001
System board for use in models with Windows 8 Standard and with 2-GB of discrete graphics memory 743705-501
System board for use in models with Windows 8 Professional and with 2-GB of discrete graphics
memory
743705-601
System board for use in models without Windows 8 and with 1-GB of discrete graphics memory 743704-001
System board for use in models with Windows 8 Standard and with 1-GB of discrete graphics memory 743704-501
System board for use in models with Windows 8 Professional and with 1-GB of discrete graphics
memory
743704-601
System board for use in models without Windows 8 and with UMA graphics 743703-001
System board for use in models with Windows 8 Standard and with UMA graphics 743703-501
System board for use in models with Windows 8 Professional and with UMA graphics 743703-601
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 33 ) and then remove the following components:
a. Hard drive (see Hard drive on page 34 )
b. WLAN module (see WLAN module on page 37 )
c. Solid-state drive (see mSATA drive on page 39 )
d. Memory module service cover (see Memory module on page 40 )
e. Optical drive (see Optical drive on page 42 )
f. Keyboard (see Keyboard on page 46 )
g. Top cover (see Top cover on page 49 )
h. Fan (see Fan on page 56 )
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 40 )
●
Heat sink (see Heat sink on page 63 )
● Processor (see Processor on page 66 )
Remove the system board:
Component replacement procedures 59