HP 14 Maintenance And Service Manual page 82

Description
● Windows 8 Standard
System board for use only with models with an AMD E1-2100 processor and UMA graphics:
● Without Windows 8
● Windows 8 Standard
System board for use only in models with an AMD A4-5000 processor and discrete graphics:
● Without Windows 8
● Windows 8 Standard
System board for use only in models with an AMD E1-2100 processor and discrete graphics:
● Without Windows 8
●
Windows 8 Standard
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
5. Remove the following components:
● Service door (see
● Top cover (see
6. Disconnect the display cable from the system board (see
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:
● WLAN module (see
● Memory module (see
●
RTC battery (see
● Fan/heat sink assembly (see
● Processor (Intel only; see
NOTE:
To remove the system board:
1. Position the computer upside down, and then disconnect the hard drive connector cable (1) from the
system board.
74 Chapter 4 Removal and replacement procedures
Battery on page
Service door on page
Top cover/keyboard on page
WLAN module on page
Memory module on page
RTC battery on page
Fan/heat sink assembly on page
Processor on page
AMD processors come soldered to the system board and cannot be removed or replaced.
43).
49)
55)
Display assembly on page
52)
54)
90)
77)
84)
Spare part number
747268-501
747269-001
747269-501
747271-001
747271-501
747272-001
747272-501
61).