System Board - HP ProBook 4520s Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes replacement thermal material.
Description
System board with UMA graphics and RTC battery
System board with UMA graphics, WWAN capability, and RTC battery
System board with discrete graphics and RTC battery
System board with discrete graphics, WWAN capability, and RTC battery
System board with UMA graphics and RTC battery for use only in the People's Republic of China
and Russia
System board with UMA graphics, WWAN capability, and RTC battery for use only in the People's
Republic of China and Russia
System board with discrete graphics and RTC battery for use only in the People's Republic of China
and Russia
System board with discrete graphics, WWAN capability, and RTC battery for use only in the
People's Republic of China and Russia
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 switch cover and keyboard (see
6. Remove the optical drive (see
7. Remove the power button board cable (see
8. Remove the speakers (see
9. Remove the thermal shield (see
10. Remove the display assembly (see
on page 80
11. Remove the palm rest (see
12. Remove the hard drive (see
13. Remove the top cover (see
Battery on page
Optical drive on page
Speakers on page
Thermal shield on page
Display assembly on computers with 17.3-in displays
or Display assembly on computers with 15.6-in displays on page
Palm rest on page
Hard drive on page
Top cover on page
50).
Switch cover and keyboard on page
56).
Power button board on page
60).
62).
76).
78).
92).
Component replacement procedures 103
Spare part number
598667-001
598669-001
598668-001
598670-001
605168-001
605170-001
605169-001
605171-001
51).
58).
86).