HP 250 G1 Maintenance And Service Manual page 89

Description
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For use in models with Windows 8 Professional
System board for use only with computer models equipped with an Intel HM75 chipset that include an Intel
Core i5 or i3 processor
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For use in models without Windows 8
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For use in models with Windows 8 Standard
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For use in models with Windows 8 Professional
System board for use only with computer models equipped with an Intel HM70 chipset that include an Intel
Pentium or Celeron processor
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For use in models without Windows 8
●
For use in models with Windows 8 Standard
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For use in models with Windows 8 Professional
Thermal pad (for use with all models)
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:
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WLAN module (see
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Hard drive (see
●
Keyboard (see
●
Top cover (see
●
Speakers (see
●
USB board (see
●
Power connector cable (see
●
Display assembly (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:
●
Memory module (see
●
RTC battery (see
ENWW
Battery on page
WLAN module on page
Hard drive on page 49)
Keyboard on page 54)
Top cover on page 57)
Speakers on page 65)
USB board on page 67)
Power connector cable on page
Display assembly on page
Memory module on page
RTC battery on page 51)
36).
45)
69)
71)
Display assembly on page
47)
Component replacement procedures
Spare part number
688852-601
685761-001
685761-501
685761-601
685768-001
685768-501
685768-601
651046-001
71).
81