Description Spare part number
System board for use only in HP 246 models for Elcot and Kenya:
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For use only in HP 246 models without Windows 8 747746-001
●
For use only in HP 246 models with Windows 8 Standard 747746-501
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For use only in HP 246 models with Windows 8 Professional 747746-601
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 56).
5. Remove the following components:
●
WLAN module (see
WLAN module on page 64)
●
Hard drive (see
Hard drive on page 70)
●
Keyboard (see
Keyboard on page 76)
●
Top cover (see
Top cover on page 79)
●
Speakers (see
Speakers on page 87)
●
USB board (see
USB board on page 89)
●
Power connector cable (see
Power connector cable on page 91)
6. Disconnect the display cable from the system board (see
Display assembly on page 93).
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 67)
●
RTC battery (see
RTC battery on page 73)
●
Fan/heat sink assembly (see
Fan/heat sink assembly on page 109)
●
Processor (Intel only; see
Processor on page 115)
NOTE: AMD processors come soldered to the system board and cannot be removed or
replaced.
104 Chapter 4 Removal and replacement procedures
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